To live within limits. To want one thing. Or a few things very much and love them dearly. Cling to them, survey them from every angle. Become one with them - that is what makes the poet, the artist, the human being.

If you wish to advance into the infinite, explore the finite in all directions.

Experiments are mediators between nature and idea.

A man is not little when he finds it difficult to cope with circumstances, but when circumstances overmaster him.

If you modestly enjoy your fame you are not unworthy to rank with the holy.

When I make a mistake everyone can see it, but not when I lie.

When two people are really happy about one another one can generally assume they are mistaken.