God loveth the clean.

The man who fears no truths has nothing to fear from lies.

I work for posterity, these things requiring ages for their accomplishment.

I would like my pictures to look as if a human being had passed between them, like a snail, leaving a trail of the human presence and memory trace of past events, as the snail leaves its slime.

The human understanding when it has once adopted an opinion (either as being the received opinion or as being agreeable to itself) draws all things else to support and agree with it.

For friends... do but look upon good Books: they are true friends, that will neither flatter nor dissemble.

Great changes are easier than small ones.