Nature! We are enveloped and embraced by her, incapable of emerging from her and incapable of entering her more deeply. Unbidden and unwarned, she receives us into the circuits of her dance, drifting onward with us herself, until we grow tired and drop from her arms.

Life belongs to the living, and he who lives must be prepared for changes.

All theory, dear friend, is gray, but the golden tree of life springs ever green.

Well-mannered children could be conceived if the parents were well-mannered.

There is strong shadow where there is much light.

Noble be man, helpful and good!

The desire to explain what is simple by what is complex, what is easy by what is difficult, is a calamity.