To generalize is to be an idiot.

When I tell the truth, it is not for the sake of convincing those who do not know it, but for the sake of defending those that do.

The man who never alters his opinions is like standing water, and breeds reptiles of the mind.

Always be ready to speak your mind, and a base man will avoid you.

As a man is, so he sees. As the eye is formed, such are its powers.

Excessive sorrow laughs. Excessive joy weeps.

I am in you and you in me, mutual in divine love.

Imagination is the real and eternal world of which this vegetable universe is but a faint shadow.

The fool who persists in his folly will become wise.

Opposition is true friendship.

He who would do good to another must do it in Minute Particulars: general Good is the plea of the scoundrel, hypocrite, and flatterer, for Art and Science cannot exist but in minutely organized Particulars.

Fun I love, but too much fun is of all things the most loathsome. Mirth is better than fun, and happiness is better than mirth.

Active Evil is better than Passive Good.

If a thing loves, it is infinite.

Better murder an infant in its cradle than nurse an unacted desire.

Art is the tree of life. Science is the tree of death.

Eternity is in love with the productions of time.

In seed time learn, in harvest teach, in winter enjoy.

What is grand is necessarily obscure to weak men. That which can be made explicit to the idiot is not worth my care.

Art can never exist without naked beauty displayed.