The highest wisdom has but one science-the science of the whole-the science explaining the whole creation and man's place in it.

One ought only to write when one leaves a piece of one's own flesh in the inkpot, each time one dips one's pen.

Muhammad has always been standing higher than the Christianity. He does not consider god as a human being and never makes himself equal to God. Muslims worship nothing except God and Muhammad is his Messenger. There is no any mystery and secret in it.

Reason unites us, not only with our contemporaries, but with men who lived two thousand years before us, and with those who will live after us.

If every man could act as he chose, the whole of history would be a tissue of disconnected accidents.

Loving the same man or woman all your life, why, that's like supposing the same candle could last you all your life

In order to understand, observe, deduce, man must first be conscious of himself as alive.