The trouble with our times is that the future is not what it used to be.
To penetrate one's being, one must go armed to the teeth.
Great things are accomplished by those who do not feel the impotence of man. This is a precious gift.
Science is a collection of successful recipes.
Man cannot bear his own portrait. The image of his limits and his own determinacy exasperates him, drives him mad.
God created man and, finding him not sufficiently alone, gave him a companion to make him feel his solitude more keenly.