The most profound discoveries in mathematics often come from questioning the most basic assumptions.

解释：形体弯曲，影子自然就曲；形体正直，影子自然就正。

人は、自分が傷つかないために、他人を傷つける。

The art of doing mathematics consists in finding that special case which contains all the germs of generality.

Democracy is the worst form of government except for all those other forms that have been tried from time to time.

找到一颗类似地球的行星的可能性，正是推动我们进行系外行星研究的热情所在。