The world is a fine place and worth the fighting for.

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.

Shame is the most intimate feeling, yet it connects us all.

The mind is what the brain does.

Quality is remembered long after price is forgotten.

思想掠过我的心上，如一群野鸭飞过天空。我听见它们鼓翼之声了。