He who knows no hardships will know no hardihood. He who faces no calamity will need no courage. Mysterious though it is, the characteristics in human nature which we love best grow in a soil with a strong mixture of troubles.

For an Impressionist to paint from nature is not to paint the subject, but to realize sensations.

I admire people who are, by nature, kind and fair to others.

Sit down before fact as a little child, be prepared to give up every conceived notion, follow humbly wherever and whatever abysses nature leads, or you will learn nothing.

Man is fully responsible for his nature and his choices.

Americans are apocalyptic by nature. The reason why is that we've always had so much, so we live in deadly fear that people are going to take it away from us.

Really I don't like human nature unless all candied over with art.

The machine does not isolate man from the great problems of nature but plunges him more deeply into them.

Take a course in good water and air and in the eternal youth of Nature you may renew your own. Go quietly, alone no harm will befall you.

An architect should live as little in cities as a painter. Send him to our hills, and let him study there what nature understands by a buttress, and what by a dome.