Why is it I always get my best ideas while shaving?

The only way to escape the corruptible effect of praise is to go on working.

I'm more interested in the future than in the past, because the future is where I intend to live.

Imagination is more important than knowledge. Knowledge is limited. Imagination encircles the world.

We must dedicate our lives to drying up the source of war: ammunition factories.

Numerous are the academic professors, but rare are wise and noble teachers.

One had to cram all this stuff into one's mind for the examinations, whether one liked it or not. This coercion had such a deterring effect on me that, after I had passed the final examination, I found the consideration of any scientific problems distasteful to me for an entire year.