I must study politics and war that my sons may have liberty to study mathematics and philosophy.
The beauty of science is that it allows us to explore the unknown and make discoveries that can change the world.
我们不必比别人更聪明,但必须比别人更有纪律性。
DNA是用生命语言写就的终极史书。
有时我认为,唯一将我们与过去联系在一起的,就是现在。没有现在,过去将永远消失。
每一个剪辑都应该有一个目的,一个存在的理由。
Knowledge has value only insofar as it contributes to the liberation of humanity.
我们必须在经济增长和环境责任之间取得平衡。