The work on weekdays and the rest on the seventh day are correlated. The Sabbath is the inspirer, the other days the inspired.

When I was young, I admired clever people. Now that I am old, I admire kind people.

There are few ideas in the world of thought which contain so much spiritual power as the idea of the Sabbath. Aeons hence, when of many of our cherished theories only shreds will remain, that cosmic tapestry will continue to shine.

Philosophy, to be relevant, must offer us a wisdom to live by.

In the midst of our applauding the feats of civilization, the Bible flings itself like a knife slashing our complacency; remind us that God, too, has a voice in history.

I have one talent, and that is the capacity to be tremendously surprised, surprised at life, at ideas. This is to me the supreme Hasidic imperative: Don't be old. Don't be stale.

As civilization advances, the sense of wonder declines. Such decline is an alarming symptom of our state of mind. Mankind will not perish for want of information; but only for want of appreciation.