Man is a creative retrospection of nature upon itself.

Duty is for Kant the One and All. Out of the duty of gratitude, he claims, one has to defend and esteem the ancients; and only out of duty has he become a great man.

An aphorism ought to be entirely isolated from the surrounding world like a little work of art and complete in itself like a hedgehog.

Think of something finite molded into the infinite, and you think of man.

He who does not become familiar with nature through love will never know her.

God is each truly and exalted thing, therefore the individual himself to the highest degree. But are not nature and the world individuals?