The stream of thought is a stream of life-preserving adjustments.

Die Kunst des Lebens besteht darin, Schwierigkeiten zu überwinden, ohne sie zu besiegen.

"Every discovery is a piece of the puzzle that is our universe."

科学中的创造力来自于将别人没想到要联系的想法联系起来。

Censorship is never over for those who have experienced it. It is a brand on the imagination that affects the individual who has suffered it, forever.

There are tracts in my life that are bare and silent. They are the open spaces where my busy days had their light and air.

A picture book is like a theater where the audience can walk around on stage.

科学中最重要的不是获得新的事实，而是发现新的思考方式。

If you pick up a starving dog and make him prosperous, he will not bite you. This is the principal difference between a dog and a man.