A self-respecting nation is ready for anything, including war, except for a renunciation of its option to make war.

To us, men of the West, a very strange thing happened at the turn of the century; without noticing it, we lost science, or at least the thing that had been called by that name for the last four centuries. What we now have in place of it is something different, radically different, and we don't know what it is. Nobody knows what it is.

Do not allow yourself to be imprisoned by any affection. Keep your solitude. The day, if it ever comes, when you are given true affection, there will be no opposition between interior solitude and friendship, quite the reverse. It is even by this infallible sigh that you will recognize it.

Creation is an act of love and it is perpetual.

Workers need poetry more than bread. They need that their life should be a poem. They need some light from eternity. Religion alone can be the source of such poetry.

The beautiful is the experimental proof that the incarnation is possible.

The most important part of teaching is to teach what it is to know.