“The means have murdered the end.” 

“Whatever is beyond this narrow rational consciousness we mistake for our only consciousness.” 

“A man's Self is the sum total of all that he can call his, not only his body and his psychic powers, but his clothes and his house.” 

“Most people live in a very restricted circle of their potential being. They make use of a very small portion of their possible consciousness, and of their soul's resources in general, much like a man who, out of his whole organism should get into a habit of using and moving only his little finger.” 

“In order to disprove the assertion that all crows are black, one white crow is sufficient.” 

“I will act as if what i do makes a difference.” 

“Our science is a drop, our ignorance a sea.” 

“What right have we to believe Nature under any obligation to do her work by means of complete minds only? She may find an incomplete mind a more suitable instrument for a particular purpose.” 

“As a rule reading fiction is as hard to me as trying to hit a target by hurling feathers at it. I need resistance to celebrate!” 

“To know is one thing, and to know for certain that we know is another. One” 

“Let any one try, I will not say to arrest, but to notice or attend to, the present moment of time. One of the most baffling experiences occurs. Where is it, this present? It has melted in our grasp, fled ere we could touch it, gone in the instant of becoming.” 

“Most people never run far enough on their first wind to find out they've got a second” 

“No fact in human nature is more characteristic than its willingness to live on a chance. The existence of the chance makes the difference… between a life of which the keynote is resignation and a life of which the keynote is hope.” 

“I fear to lose truth by the pretension to possess it already wholly.” 

“The aim of a college education is to teach you to know a good man when you see one.” 

“The union of the mathematician with the poet, fervor with measure, passion with correctness, this surely is the ideal.” 

“If merely 'feeling good' could decide, drunkenness would be the supremely valid human experience.” 

“A great nation is not saved by wars, it is saved by acts without external picturesqueness; by speaking, writing, voting reasonably; by smiting corruption swiftly; by good temper between parties; by the people knowing true men when they see them, and preferring them as leaders to rabid partisans and empty quacks.” 

“If you can change your mind, you can change your life.” 

“This life is worth living, we can say, since it is what we make it.” 

“we have to live today by what truth we can get today and be ready tomorrow to call it falsehood” 

“The strenuous life tastes better” 

“It is only by risking our persons from one hour to another that we live at all.” 

“If this life is not a real fight, in which something is eternally gained for the universe by success, it is no better than a game of private theatricals from which one may withdraw at will. But it feels like a real fight.” 

“These then are my last words to you. Be not afraid of life. Believe that life is worth living and your belief will help create the fact.” 

“The best use of life is to spend it for something that outlasts it.” 

“Let's think the unthinkable, let's do the undoable. Let us prepare to grapple with the ineffable itself, and see if we may not eff it after all.” 

“A common mistake that people make when trying to design something completely foolproof is to underestimate the ingenuity of complete fools.” 

“Isn't it enough to see that a garden is beautiful without having to believe that there are fairies at the bottom of it too?” 

“He felt that his whole life was some kind of dream and he sometimes wondered whose it was and whether they were enjoying it.” 

“I'd far rather be happy than right any day.” 

“If there's anything more important than my ego around, I want it caught and shot now.” 

Anything that is in the world when you’re born is normal and ordinary and is just a natural part of the way the world works.

Anything that's invented between when you’re fifteen and thirty-five is new and exciting and revolutionary and you can probably get a career in it.

“I'd take the awe of understanding over the awe of ignorance any day.” 

“Reality is frequently inaccurate.” 

“There are some people you like immediately, some whom you think you might learn to like in the fullness of time, and some that you simply want to push away from you with a sharp stick.” 

“This planet has - or rather had - a problem, which was this: most of the people living on it were unhappy for pretty much of the time. Many solutions were suggested for this problem, but most of these were largely concerned with the movement of small green pieces of paper, which was odd because on the whole it wasn't the small green pieces of paper that were unhappy.” 

“Anyone who is capable of getting themselves made President should on no account be allowed to do the job.” 

“Don't you understand that we need to be childish in order to understand? Only a child sees things with perfect clarity, because it hasn't developed all those filters which prevent us from seeing things that we don't expect to see.” 

“There is no point in using the word 'impossible' to describe something that has clearly happened.” 

“Far out in the uncharted backwaters of the unfashionable end of the western spiral arm of the Galaxy lies a small unregarded yellow sun. Orbiting this at a distance of roughly ninety-two million miles is an utterly insignificant little blue green planet whose ape-descended life forms are so amazingly primitive that they still think digital watches are a pretty neat idea.” 

“We can't win against obsession. They care, we don't. They win.” 

“All you really need to know for the moment is that the universe is a lot more complicated than you might think, even if you start from a position of thinking it's pretty damn complicated in the first place.” 

“Did I do anything wrong today," he said, "or has the world always been like this and I've been too wrapped up in myself to notice?” 

“Don't believe anything you read on the net. Except this. Well, including this, I suppose.” 

“Human beings, who are almost unique in having the ability to learn from the experience of others, are also remarkable for their apparent disinclination to do so.” 

“This is rather as if you imagine a puddle waking up one morning and thinking, 'This is an interesting world I find myself in — an interesting hole I find myself in — fits me rather neatly, doesn't it? In fact it fits me staggeringly well, must have been made to have me in it!' This is such a powerful idea that as the sun rises in the sky and the air heats up and as, gradually, the puddle gets smaller and smaller, frantically hanging on to the notion that everything's going to be alright, because this world was meant to have him in it, was built to have him in it; so the moment he disappears catches him rather by surprise. I think this may be something we need to be on the watch out for.” 

“In those days spirits were brave, the stakes were high, men were real men, women were real women and small furry creatures from Alpha Centauri were real small furry creatures from Alpha Centauri.” 

“It can be very dangerous to see things from somebody else's point of view without the proper training.”