Nature is a wonderful teacher, and if we will only be patient and observe, she will reveal her secrets to us.

The artist must be a dreamer of the impossible.

我认为对生活有幽默感很重要。

There’s no such thing as too much butter in a recipe—only too little joy.

Democracy means simply the bludgeoning of the people by the people for the people.

The elements are the alphabet of nature, and we are learning to read.

Abstraction is the key to mathematics.