Without God all things are permitted.

What matters," said the prince at last, "is that you have a child's trusting nature and extraordinary truthfulness. Do you know that a great deal can be forgiven you for that alone?

To strive consciously for an object and to engage in engineering -- that is, incessantly and eternally to make new roads, wherever they may lead.

They have succeeded in accumulating a greater mass of objects, but the joy in the world has grown less.

But men love abstract reasoning and neat systematization so much that they think nothing of distorting the truth, closing their eyes and ears to contrary evidence to preserve their logical constructions.

Above all, do not lie to yourself.

But what are years, what are months!" he would exclaim. "Why count the days, when even one day is enough for man to know all happiness.