The future of democracy depends on the ability of democratic societies to reform themselves.
有时最深刻的发现来自于提出最简单的问题。
顺应上天（自然）而赞颂它，哪里比得上掌握了自然规律去利用它？“制天命而用之”符合当今社会人与自然和谐相处的原则，人尊重自然，也可适当地改造自然为我所用。
The most beautiful arrangement is a pile of things poured out at random.
The human being is always more than what he has done; he is also what he can do.
War is a tragedy, but sometimes necessary.