After Buddha was dead, his shadow was still shown for centuries in a cave.

No man ever wrote more eloquently and luminously [than Heraclitus].

What doesn't kill you make you stronger.

I overcame myself, the sufferer; I carried my own ashes to the mountains; I invented a brighter flame for myself.

One never dives into the water to save a drowning man more eagerly than when there are others present who dare not take the risk.

Here the ways of men divide. If you wish to strive for peace of soul and happiness, then believe; if you wish to be a disciple of truth, then inquire.

Wherever primitive man put up a word, he believed he had made a discovery. How utterly mistaken he really was! He had touched a problem, and while supposing he had solved it, he had created and obstacle to its solution. Now, with every new knowledge we stumble over flint-like and petrified words and, in so doing, break a leg sooner than a word.