Let everyone sweep in front of his own door, and the whole world will be clean.

The safest thing is always to try to convert everything that is in us and around us into action; let the others talk and argue about it as they please.

Blood is a very special juice.

Nature! We live in her midst and know her not. She is incessantly speaking to us, but betrays not her secret. We constantly act upon her, and yet have no power over her. Variant: NATURE! We are surrounded and embraced by her: powerless to separate ourselves from her, and powerless to penetrate beyond her.

Know'st thou the land where the lemon-trees bloom, Where the gold orange glows in the deep thicket's gloom, Where a wind ever soft from the blue heaven blows, And the groves are of laurel and myrtle and rose!

They should be ashamed of themselves, all these sober people!

The greatest piece of folly is that every man thinks himself compelled to hand down what people think they have known.