One is certain of nothing but the truth of one's own emotions.

I'm a holy man minus the holiness.

Charm, in most men and nearly all women, is a decoration.

Love and understand the Italians, for the people are more marvellous than the land.

The sort of poetry I seek resides in objects man can't touch.

America is rather like life. You can usually find in it what you look for. It will probably be interesting, and it is sure to be large.

We are all like Scheherazade's husband, in that we want to know what happens next.

The people I respect most behave as if they were immortal and as if society was eternal.

I have no mystic faith in the people. I have in the individual.

I have only got down on to paper, really, three types of people: the person I think I am, the people who irritate me, and the people I'd like to be.

No man can be an agnostic who has a sense of humour.

Letters have to pass two tests before they can be classed as good: they must express the personality both of the writer and of the recipient.

Reverence is fatal to literature.

Paganism is infectious, more infectious than diphtheria or piety.

If there is on earth a house with many mansions, it is the house of words.

There lies at the back of every creed something terrible and hard for which the worshipper may one day be required to suffer.

The historian must have some conception of how men who are not historians behave. Otherwise he will move in a world of the dead. He can only gain that conception through personal experience, and he can only use his personal experiences when he is a genius.

One marvels why the middle classes still insist on so much discomfort for their children at such expense to themselves.

No one is India.

But nothing in India is identifiable, the mere asking of a question causes it to disappear or to merge in something else.

The work of art assumes the existence of the perfect spectator, and is indifferent to the fact that no such person exists.

For our vanity is such that we hold our own characters immutable, and we are slow to acknowledge that they have changed, even for the better.

Only a writer who has the sense of evil can make goodness readable.

I am certainly an ought and not a must.

I never could get on with representative individuals but people who existed on their own account and with whom it might therefore be possible to be friends.

Very notable was his distinction between coarseness and vulgarity, coarseness, revealing something; vulgarity, concealing something.

Creative writers are always greater than the causes that they represent.

Only people who have been allowed to practise freedom can have the grown-up look in their eyes.

There is something majestic in the bad taste of Italy.

One of the evils of money is that it tempts us to look at it rather than at the things that it buys.

Liking one person is an extra reason for liking another.

The woman who can't influence her husband to vote the way she wants ought to be ashamed of herself.

We are drowning in information, while starving for wisdom. The world henceforth will be run by synthesizers, people able to put together the right information at the right time, think critically about it, and make important choices wisely.

You are capable of more than you know. Choose a goal that seems right for you and strive to be the best, however hard the path. Aim high. Behave honorably. Prepare to be alone at times, and to endure failure. Persist! The world needs all you can give.

Nature holds the key to our aesthetic, intellectual, cognitive and even spiritual satisfaction.

The one process now going on that will take millions of years to correct is the loss of genetic and species diversity by the destruction of natural habitats. This is the folly our descendants are least likely to forgive us.

If all mankind were to disappear, the world would regenerate back to the rich state of equilibrium that existed ten thousand years ago. If insects were to vanish, the environment would collapse into chaos.

When you have seen one ant, one bird, one tree, you have not seen them all.

We should preserve every scrap of biodiversity as priceless while we learn to use it and come to understand what it means to humanity.

Destroying rainforest for economic gain is like burning a Renaissance painting to cook a meal.

Political ideology can corrupt the mind, and science.

The education of women is the best way to save the environment.

Change will come slowly, across generations, because old beliefs die hard even when demonstrably false.

If we were to wipe out insects alone on this planet, the rest of life and humanity with it would mostly disappear from the land. Within a few months.

It's obvious that the key problem facing humanity in the coming century is how to bring a better quality of life - for 8 billion or more people - without wrecking the environment entirely in the attempt.

Ants have the most complicated social organization on earth next to humans.

Perhaps the time has come to cease calling it the 'environmentalist' view, as though it were a lobbying effort outside the mainstream of human activity, and to start calling it the real-world view.

Our brain is mapping the world. Often that map is distorted, but it's a map with constant immediate sensory input.

There is no better high than discovery.

If those committed to the quest fail, they will be forgiven. When lost, they will find another way. The moral imperative of humanism is the endeavor alone, whether successful or not, provided the effort is honorable and failure memorable.