Arthur Schopenhauer

A man can be himself only so long as he is alone.

Almost all of our sorrows spring out of our relations with other people.

 
A man can do what he wants, but not want what he wants.

Compassion is the basis of all morality.

Life is a business that does not cover the costs.

Change alone is eternal, perpetual, immortal.

After your death you will be what you were before your birth.

All truth passes through three stages. First, it is ridiculed. Second, it is violently opposed. Third, it is accepted as being self-evident.
 

To free a man from error does not mean to take something from him, but to give him something.

Life is short and truth works far and lives long: let us speak the truth.

It is the courage to make a clean breast of it in the face of every question that makes the philosopher.

The effect of music is so very much more powerful and penetrating than is that of the other arts, for these others speak only of the shadow, but music of the essence.

Hatred is a thing of the heart, contempt a thing of the head.

Truth that is naked is the most beautiful, and the simpler its expression the deeper is the impression it makes . . .