Renunciation is submission to time.

Mathematics alone make us feel the limits of our intelligence. For we can always suppose in the case of an experiment that it is inexplicable because we don't happen to have all the data. In mathematics we have all the data, brought together in the full light of demonstration, and yet we don't understand. We always come back to the contemplation of our human wretchedness. What force is in relation to our will, the impenetrable opacity of mathematics is in relation to our intelligence.

Electra weeping for the dead Orestes. If we love God while thinking that he does not exist, he will manifest his existence.

The contradictions the mind comes up against, these are the only realities, the criterion of the real. There is no contradiction in what is imaginary. Contradiction is the test of necessity.

Patriotism is idolatry of the self.

When once a certain class of people has been placed by the temporal and spiritual authorities outside the ranks of those whose life has value, then nothing comes more naturally to men than murder.

Necessity is God's veil.