As far as the laws of mathematics refer to reality, they are not certain, and as far as they are certain, they do not refer to reality.

You believe in a god that plays dice; I believe in law & order.

It would seem that men always need some idiotic fiction in the name of which they can hate one another. Once it was religion. Now it is the State.

The individual feels the futility of human desires and aims and the sublimity and marvelous order which reveal themselves both in nature and in the world of thought.

The definition of genius is taking the complex and making it simple.

Man tries to make for himself in the fashion that suits him best a simplified and intelligible picture of the world; he then tries to some extent to substitute this cosmos of his for the world of experience, and thus to overcome it. This is what the painter, the poet, the speculative philosopher, and the natural scientists do, each in his own fashion. Each makes this cosmos and its construction the pivot of his emotional life, in order to find in this way peace and security which he can not find in the narrow whirlpool of personal experience.

Vegetarian food leaves a deep impression on our nature. If the whole world adopts vegetarianism, it can change the destiny of humankind.