世界上最好和最美丽的东西是看不见甚至摸不着的——它们必须用心去感受。

The value and utility of any experiment are determined by the fitness of the material to the purpose for which it is used.

Mathematics is the language with which God has written the universe.

Life is too short to waste time on negativity.

整个世界就是一个故事，而我正试图讲述它。