We can be absolutely certain only about things we do not understand.

I have a premonition that will not leave me: as it goes with Israel so will it go with all of us. Should Israel perish, the holocaust will be upon us.

It is the malady of our age that the young are so busy teaching us that they have no time left to learn.

No one has a right to happiness.

It is a strange thing that both the injurer and the injured, the sinner and he who is sinned against, should find in the mass movement an escape from a blemished life.

Action is at bottom a swinging and flailing of the arms to regain one's balance and keep afloat.

To learn you need a certain degree of confidence, not too much and not too little. If you have too little confidence, you will think you can't learn. If you have too much, you will think you don't have to learn.