Our emotional symptoms are precious sources of life and individuality.

An absolutely new idea is one of the rarest things known to man.

The chief aim of their constitution is that, whenever public needs permit, all citizens should be free, so far as possible, to withdraw their time and energy from the service of the body, and devote themselves to the freedom and culture of the mind. For that, they think, is the real happiness of life.

Nor can they understand why a totally useless substance like gold should now, all over the world, be considered far more important than human beings, who gave it such value as it has, purely for their own convenience.

What part soever you take upon you, play that as well as you can and make the best of it.

Pride measures prosperity not by her own advantages but by the disadvantages of others. She would not even wish to be a goddess unless there were some wretches left whom she could order about and lord it over, whose misery would make her happiness seem all the more extraordinary, whose poverty can be tormented and exacerbated by a display of her wealth. This infernal serpent, pervading the human heart, keeps men from reforming their lives, holding them back like a suckfish.

Occupy your mind with good thoughts, or the enemy will fill them with bad ones.