It is impossible that the whole of truth should not be present at every time and every place, available for anyone who desires it.

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.

What a country calls its vital economic interests are not the things which enable its citizens to live, but the things which enable it to make war. Petrol is more likely than wheat to be a cause of international conflict.

One cannot imagine St. Francis of Assisi talking about rights.

The world is God's language to us.

The right to kill: supposing the life of X ... were linked with our own so that the two deaths had to be simultaneous, should we still wish him to die? If with our whole body and soul we desire life and if nevertheless without lying, we can reply 'yes'> then we have the right to kill.

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.