Real wisdom is not the knowledge of everything, but the knowledge of which things in life are necessary, which are less necessary, and which are completely unnecessary to know.

Patriotism is "a very definite feeling of preference for one's own people or State above all other peoples and States, and a consequent wish to get for that people or State the greatest advantages and power that can be got - things which are obtainable only at the expense of the advantages and power of other peoples or States."

Just when the question of how to live had become clearer to him, a new insoluble problem presented itself - Death.

The whole world is divided for me into two parts: one is she, and there is all happiness, hope, light; the other is where she is not, and there is dejection and darkness.

Love alone is the only reasonable activity or pursuit of humankind....Fo r Love not only annihilates our fear of meaninglessness but empowers us to seek the happiness of others. And this indeed is our greatest happiness.

Physical violence is the basis of authority.

And those who only know the non-platonic love have no need to talk of tragedy. In such love there can be no sort of tragedy.