One could count on one's fingers the number of scientists throughout the world with a general idea of the history and development of their particular science: there is none who is really competent as regards sciences other than his own. As science forms an indivisible whole, one may say that there are no longer, strictly speaking, scientists, but only drudges doing scientific work.

Human existence is so fragile a thing and exposed to such dangers that I cannot love without trembling.

The feeding of those that are hungry is a form of contemplation.

It is not enough that France should be regarded as a country which enjoys the remains of a freedom acquired long ago. If she is still to count in the world--and if she does not intend to, she may as well perish--she must be seen by her own citizens and by all men as an ever-flowing source of liberty. There must not be a single genuine lover of freedom in the whole world who can have a valid reason for hating France.

The love of our neighbor in all its fullness simply means being able to say, "What are you going through?

When a man's life is destroyed or damaged by some wound or privation of soul or body, which is due to other men's actions or negligence, it is not only his sensibility that suffers but also his aspiration toward the good. Therefore there has been sacrilege towards that which is sacred in him.

Justice consists in seeing that no harm is done to men. Whenever a man cries inwardly: 'Why am I being hurt?' harm is being done to him. He is often mistaken when he tries to define the harm, and why and by whom it is being inflicted on him. But the cry itself is infallible.