Every child deserves to see themselves in a story.

I think frugality drives innovation， just like other constraints do. One of the only ways to get out of a tight box is to invent your way out.

The only time success comes before work is in the dictionary.

Lock up your libraries if you like; but there is no gate, no lock, no bolt that you can set upon the freedom of my mind.

The double helix structure of DNA is one of the most beautiful and elegant structures in all of science.

身体单薄无力，就不要去背负重物，说话没有分量，就不要去规劝别人；没有钱就不要到人群中去，遭遇困难之际千万别去寻求亲戚的帮助。