The day is of infinite length for him who knows how to appreciate and use it.

You must either conquer and rule or serve and lose, suffer or triumph, be the anvil or the hammer.

Nature is, after all, the only book that offers important content on every page.

All that is alive tends toward color, individuality, specificity, effectiveness and opacity. All that is done with life inclines toward knowledge, abstraction, generality transfiguration and transparency.

Not art and science only, but patience will be required for the work.

Oral delivery aims at persuasion and making the listener believe they are converted. Few persons are capable of being convinced the majority allow themselves to be persuaded.

The march of intellect, which licks all the world into shape, has even reached the devil.