Indifference is the dead weight of history.

If you think about it seriously, all the questions about the soul and the immortality of the soul and paradise and hell are at bottom only a way of seeing this very simple fact: that every action of ours is passed on to others according to its value, of good or evil, it passes from father to son, from one generation to the next, in a perpetual movement.

The challenge of modernity is to live without illusions and without becoming disillusioned.

Revolutionaries see history as a creation of their own spirit, as being made up of a continuous series of violent tugs at the other forces of society - both active and passive, and they prepare the maximum of favourable conditions for the definitive tug (revolution).

Driving forward is the chief characteristic of western man since the Sumerians. His dread triad of vices is property-holding, voraciousness, and lust.

Common sense is not something rigid and stationary, but is in continuous transformation, becoming enriched with scientific notions and philosophical opinions that have entered into common circulation. 'Common sense' is the folklore of philosophy and always stands midway between folklore proper (folklore as it is normally understood) and the philosophy, science, and economics of the scientists. Common sense creates the folklore of the future, a relatively rigidified phase of popular knowledge in a given time and place.

One must speak for a struggle for a new culture, that is, for a new moral life that cannot but be intimately connected to a new intuition of life, until it becomes a new way of feeling and seeing reality