Bad temper is its own safety valve. He who can bark does not bite.

Elephants can remember, but we are human beings and mercifully human beings can forget.

Nothing, I believe, is so full of life under the microscope as a drop of water from a stagnant pool.

Life itself is an unsolved mystery", said the clergyman gravely.

You want beauty,' said Hercules Poirot. 'Beauty at any price. For me, it is truth. I want always truth.

... the belief in a superstratum of human beings ... is the most evil of all beliefs. For when you say, 'I am not as other men' -- you have lost the two most valuable qualities we have ever tried to attain: -- humility and brotherhood.

I'm not often bored,' I assured her. "Life's not long enough for that.