Mark what a generosity and courage (a dog) will put on when he finds himself maintained by a man, who to him is instead of a God

There is a wisdom in this beyond the rules of physic: a man's own observation what he finds good of and what he finds hurt of is the best physic to preserve health.

The doctrines of religion are resolved into carefulness; carefulness into vigorousness; vigorousness into guiltlessness; guiltlessness into abstemiousness; abstemiousness into cleanliness; cleanliness into godliness.

For no man can forbid the spark nor tell whence it may come.

He that will not apply new remedies must expect new evils; for time is the greatest innovator.

It's such an extraordinary supple medium that you never do quite know what paint will do.

God loveth the clean.