Pleasure itself is painful at the bottom.

The value of life lies not in the length of days, but in the use we make of them... Whether you find satisfaction in life depends not on your tale of years, but on your will.

There is a certain consideration, and a general duty of humanity, that binds us not only to the animals, which have life and feeling, but even to the trees and plants. We owe justice to people, and kindness and benevolence to all other creatures who may be susceptible of it. There is some intercourse between them and us, and some mutual obligation.

Intemperance is the plaque of sensuality, and temperance is not its bane but its seasoning.

The only good histories are those written by those who had command in the events they describe.

We can be knowledgeable with other men's knowledge, but we cannot be wise with other men's wisdom.

Every period of life has its peculiar prejudices; whoever saw old age, that did not applaud the past, and condemn the present times?