It is an eternal obligation toward the human being not to let him suffer from hunger when one has a chance of coming to his assistance.

Joy is being fully aware of reality.

One of the most exquisite pleasures of human love - to serve the loved one without his knowing it - is only possible, as regards the love of God, through atheism.

The world is the closed door. It is a barrier. And at the same time it is the way through.

It is only necessary to know that love is a direction and not a state of the soul. If one is unaware of this, one falls to despair at the first onslaught of affliction.

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.

The joy of learning is as indispensable in study as breathing is in running.