在数学中，最简单的问题往往导致最深刻的发现。
In mathematics, the simplest questions often lead to the most profound discoveries.
Light is the most important material in architecture.
The people have a right to the truth as they have a right to life, liberty and the pursuit of happiness.
"The essence of mathematics lies in its freedom."
生产力反而经常分散我们的注意力。不要试图寻找更快完成任务的方法，而是把精力放在你根本不想停下来的任务上。
译文：祖国沉沦每个人都有责任，我在天涯漂泊没有家。