自己有善德，才能要求别人行善。
Seduction is always more singular and sublime than sex and it commands the higher price.
在现实世界中，很多恶行并非源于恶意。
The novel is the art of making the invisible visible.
The selfish gene theory is not a theory about selfishness in the everyday sense. It is a theory about the evolution of behavior.
Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.