Whatever fosters the growth of civilization works at the same time against war.

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

What good to us is a long life if it is difficult and barren of joys, and if it is so full of misery that we can only welcome death as a deliverer?

No one who has seen a baby sinking back satiated from the breast and falling asleep with flushed cheeks and a blissful smile can escape the reflection that this picture persists as a prototype of the expression of sexual satisfaction in later life.

No other technique for the conduct of life attaches the individual so firmly to reality as laying emphasis on work; for his work at least gives him a secure place in a portion of reality, in the human community.

Out of your vulnerabilities will come your strength.

Words and magic were in the beginning one and the same thing, and even today words retain much of their magical power.