Thought is a strenuous art - few practice it, and then only at rare times.

The great Jewish scientists and philosophers of the last few generations - Spinoza, Einstein, Freud, Robert Oppenheimer and others - were natives of Europe and America.

Good humor isn't a trait of character; it is an art which requires practice

would convey a blessing to the Arab people.

This is our mandate.

Suffering makes a people greater, and we have suffered much. We had a message to give the world, but we were overwhelmed, and the message was cut off in the middle. In time there will be millions of us - becoming stronger and stronger - and we will complete the message.