Instinct is a marvelous thing. It can neither be explained nor ignored.

“It is a curious thought, but it is only when you see people looking ridiculous that you realize just how much you love them. ”

“Very few of us are what we seem.”

“The impossible could not have happened, therefore the impossible must be possible in spite of appearances.”

“A mother's love for her child is like nothing else in the world. It knows no law, no pity. It dares all things and crushes down remorselessly all that stands in its path.

“An archaeologist is the best husband a woman can have. The older she gets, the more interested he is in her.”

“If you place your head in a lion's mouth, then you cannot complain one day if he happens to bite it off.”

“Instinct is a marvelous thing. It can neither be explained nor ignored.”

“The best time for planning a book is while you're doing the dishes. ”

“You gave too much rein to your imagination. Imagination is a good servant, and a bad master. The simplest explanation is always the most likely.”

“Everybody said, "Follow your heart". I did, it got broken”

“One doesn't recognize the really important moments in one's life until it's too late.”

“Never do anything yourself that others can do for you.”

“It is really a hard life. Men will not be nice to you if you are not good-looking, and women will not be nice to you if you are.”

“Never tell all you know—not even to the person you know best.”

“One of the saddest things in life, is the things one remembers.”

“The young people think the old people are fools -- but the old people know the young people are fools.”

“Time is the best killer.”

“But surely for everything you love you have to pay some price.”

“The truth, however ugly in itself, is always curious and beautiful to seekers after it.”

“Good advice is always certain to be ignored, but that's no reason not to give it.”

“In the midst of life, we are in death.”

“Everything must be taken into account. If the fact will not fit the theory---let the theory go.”

“I know there's a proverb which that says 'To err is human,' but a human error is nothing to what a computer can do if it tries.”

“I don't think necessity is the mother of invention. Invention . . . arises directly from idleness, possibly also from laziness. To save oneself trouble.”

“To every problem, there is a most simple solution.”

“Words, madmoiselle, are only the outer clothing of ideas.”

“I do not argue with obstinate men. I act in spite of them.”

“Every murderer is probably somebody's old friend.”

“But no artist, I now realize, can be satisfied with art alone. There is a natural craving for recognition which cannot be gain-said.”

“I suppose it is because nearly all children go to school nowadays and have things arranged for them that they seem so forlornly unable to produce their own ideas.”

“Everyone is a potential murderer-in everyone there arises from time to time the wish to kill-though not the will to kill.”

“It's like all those quiet people, when they do lose their tempers they lose them with a vengeance.”

“There was a moment when I changed from an amateur to a professional. I assumed the burden of a profession, which is to write even when you don't want to, don't much like what you're writing, and aren't writing particularly well.”

“If you are to be Hercule Poirot, you must think of everything.”

“It is completely unimportant. That is why it is so interesting.”

“If you confront anyone who has lied with the truth, he will usually admit it - often out of sheer surprise. It is only necessary to guess right to produce your effect.”

“One is left with the horrible feeling now that war settles nothing; that to win a war is as disastrous as to lose one.”

“As life goes on it becomes tiring to keep up the character you invented for yourself, and so you relapse into individuality and become more like yourself everyday.”

“An appreciative listener is always stimulating.”

“Everybody always knows something," said Adam, "even if it's something they don't know they know.”

“It is the brain, the little gray cells on which one must rely. One must seek the truth within--not without." ~ Poirot”

“I don't know. I don't know at all. And that's what's frightening the life out of me. To have no idea....”

“The secret of getting ahead is getting started.”

“One of the luckiest things that can happen to you in life is to have a happy childhood.”

“When you find that people are not telling you the truth---look out!”

“I often wonder why the whole world is so prone to generalise. Generalisations are seldom if ever true and are usually utterly inaccurate.”

“To rush into explanations is always a sign of weakness.”

“But I know human nature, my friend, and I tell you that, suddenly confronted with the possibility of being tried for murder, the most innocent person will lose his head and do the most absurd things.”

“No, my friend, I am not drunk. I have just been to the dentist, and need not return for another six months! Is it not the most beautiful thought?