The past beats inside me like a second heart.
The mind is not a vessel to be filled, but a fire to be kindled.
制革厂的废物流比任何使命宣言都更清晰地讲述其道德故事。
自由始于无知结束之时。
The selfish gene theory is not a theory about selfishness in the everyday sense. It is a theory about the evolution of behavior.