We learn about life not from plusses alone, but from minuses as well.

A tree is beautiful, but what's more, it has a right to life; like water, the sun and the stars, it is essential. Life on earth is inconceivable without trees. Forests create climate, climate influences peoples' character, and so on and so forth. There can be neither civilization nor happiness if forests crash down under the axe, if the climate is harsh and severe, if people are also harsh and severe. ... What a terrible future!

A good person will feel guilty even before a dog.

The more refined one is, the more unhappy.

The sea has neither meaning nor pity.

A woman is fascinated not by art but by the noise made by those in the field.

There are plenty of good people, but only a very, very few are precise and disciplined.