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.

Petroleum is a more likely cause of international conflict than wheat.

We possess nothing in the world - a mere chance can strip us of everything - except the power to say 'I.

A work of art has an author and yet, when it is perfect, it has something which is anonymous about it.

Attentiveness is the heart of prayer.

Purity is the ability to contemplate defilement.

A hurtful act is the transference to others of the degradation which we bear in ourselves.