He who moves not forward, goes backward.

Die Mathematiker sind eine Art Franzosen. Spricht man zu ihnen, so übersetzen sie alles in ihre eigene Sprache, und so wird es alsobald etwas ganz anderes. Mathematicians are a kind of Frenchmen. Whenever you say anything or talk to them, they translate it into their own language, and right away it is something completely different.

For just when ideas fail, a word comes in to save the situation.

Prudent and active men, who know their strength and use it with limit and circumspection, alone go far in the affairs of the world.

What is uttered from the heart alone, Will win the hearts of others to your own.

two souls, alas, are housed within my breast, and each will wrestle for the mastery there.

Time itself is an element.