Psychiatry is the art of teaching people how to stand on their own feet while reclining on couches.

We choose not randomly each other. We meet only those who already exists in our subconscious.

The religions of mankind must be classed among the mass-delusions of this kind. No one, needless to say, who shares a delusion ever recognizes it as such.

I cannot face the idea of life without work. What would one do when ideas failed or words refused to come? It is impossible not to shudder at the thought.

Opposition is not necessarily enmity; it is merely misused and made an occasion for enmity.

The goal towards which the pleasure principle impels us - of becoming happy - is not attainable: yet we may not - nay, cannot - give up the efforts to come nearer to realization of it by some means or other.

If you want to endure life, prepare yourself for death.