Authority and place demonstrate and try the tempers of men, by moving every passion and discovering every frailty.

For to err in opinion, though it be not the part of wise men, is at least human.

Books delight to the very marrow of one's bones. They speak to us, consult with us, and join with us in a living and intense intimacy.

If Nature be not improved by instruction, it is blind; if instruction be not assisted by Nature, it is maimed; and if exercise fail of the assistance of both, it is imperfect.

A healer of others, himself diseased.

A fool cannot hold his tongue.

Nature without learning is blind, learning apart from nature is fractional, and practice in the absence of both is aimless.