To see others suffer does one good, to make others suffer even more: this is a hard saying but an ancient, mighty, human, all-too-human principle [....] Without cruelty there is no festival.
Because of lack of moral principle, human life becomes worthless. Moral principle, truthfulness, is a key factor. If we lose that, then there is no future.
Be sincere and true to your word, serious and careful in your actions; and you will get along even among barbarians, But if you are not sincere and untrustworthy in your speech, frivolous and careless in your actions, how will you get along even among your own neighbors? When stand, see these principles in front of you; in your carriage see them on the yoke. Then you may be sure to get along.
The spirit in which the offer was made must of necessity contribute to improving and alleviating the situation of the Jewish people without our renouncing one iota of the great principles upon which our movement is based.
Gradually the conviction gained recognition that all knowledge about things is exclusively a working-over of the raw material furnished by the senses. ... Galileo and Hume first upheld this principle with full clarity and decisiveness.
Since everything emanates from God, he is the embodied principle in every being. Each one of us is made from God. Tat twam asi - "You are That One" who is eternally blissful, that one principle manifesting itself as this variety of Creation.
A person who has truly realized the principle of nonviolence has the God given strength for his weapon, and the world has not yet known anything that can match it.