I don't teach my students, I provide the circumstances in which they can learn.

If I would follow your advice and Jesus could perceive it, he, as a Jewish teacher, surely would not approve of such behavior.

Live life to the fullest. You have to color outside the lines once in a while if you want to make your life a masterpiece. Laugh some every day. Keep growing, keep dreaming, keep following your heart. The important thing is not to stop questioning.

Non-cooperation in military matters should be an essential moral principle for all true scientists.

The pursuit of truth and beauty is a sphere of activity in which we are permitted to remain children all our lives.

Anyone who thinks science is trying to make human life easier or more pleasant is utterly mistaken.

But their intervention makes our acts to serve ever less merely the immediate claims of our instincts.