We can easily forgive a child who is afraid of the dark；the real tragedy of life is when men are afraid of the light.

自由与秩序并非不相容；真理即力量；自由讨论是真理的生命。

Never stop learning because life never stops teaching.

创新不仅仅是创造新事物，更是要在人们的生活中产生积极影响。