At the center of non-violence stands the principle of love.

One must change one's tactics every ten years if one wishes to maintain one's superiority.

One sometimes says: 'He killed himself because he was bored with life.' One ought rather to say: 'He killed himself because he was bored by lack of life.'

Fresh activity is the only means of overcoming adversity.

The aim of a joke is not to degrade the human being, but to remind him that he is already degraded.