The role of the economist is part scientist, part engineer.

Freedom can only be given to one who loves it， and the rest is for slaves.

Consciousness is the cutting edge of adaptation.

We first make our habits, and then our habits make us.

我情愿在火星上死去，而不是坠毁其上。

Every challenge is an opportunity to learn and grow.

出自先秦《荀子·子道》。服从真理而不服从君主，服从道义而不服从父命。说明在真理、道义与君令、父命相矛盾时要服从前者，意在强调唯“道”、“义”是从的理念。

你不必总是和别人在一起才能快乐。你可以独自快乐。