一只眼睛的人可以用来看水平仪,有毒的石头可以用来治疗痈疽。
你将要学到的最伟大的事情就是去爱和被爱作为回报。
The human mind is a set of information-processing machines that were designed by natural selection to solve adaptive problems faced by our hunter-gatherer ancestors.
The mathematician's best work is art, a high perfect art, as daring as the most secret dreams of imagination, clear and limpid.