To know anything well involves a profound sensation of ignorance.

[For men] to feel their souls withering within them, unthanked, to find their whole being sunk into an unrecognized abyss, to be counted off into a heap of mechanism numbered with its wheels, and weighed with its hammer strokes - this, nature bade not, - this, God blesses not, - this, humanity for no long time is able to endure.

Flowers seem intended for the solace of ordinary humanity.

Not without design does God write the music of our lives.

All really great pictures exhibit the general habits of nature, manifested in some peculiar, rare, and beautiful way.

The best thing in life aren't things.

Science has to do with facts, art with phenomena. To science, phenomena are of use only as they lead to facts; and to art, facts are of use only as they lead to phenomena.