Knowledge always demands increase; it is like fire, which must first be kindled by some external agent, but will afterwards always propagate itself.

I have thought of a pulley to raise me gradually; but that would give me pain, as it would counteract my natural inclination. I would have something that can dissipate the inertia and give elasticity to the muscles. We can heat the body, we can cool it; we can give it tension or relaxation; and surely it is possible to bring it into a state in which rising from bed will not be a pain.

The happiest part of a man's life is what he passes lying awake in bed in the morning.

They teach the morals of a whore, and the manners of a dancing master.

That kind of life is most happy which affords us most opportunities of gaining our own esteem.

Disease generally begins that equality which death completes.

He that thinks he can afford to be negligent is not far from being poor.

To be happy at home is the ultimate result of all ambition, the end to which every enterprise and labor tends, and of which every desire prompts the prosecution.

Promise, large promise, is the soul of an advertisement.

Christianity is the highest perfection of humanity.