All of us have life; few of us have an idea of it.
One never goes so far as when one doesn't know where one is going.
The greatest evil that can befall man is that he should come to think ill of himself.
Thought expands, but paralyzes; action animates, but narrows.
Hypotheses are lullabies for teachers to sing their students to sleep.
What reason would grope for in vain, spontaneous impulse ofttimes achieves at a stroke, with light and pleasureful guidance.