我是一个斗士，我用消极情绪来激发内心的斗志。

The present is always an unstable place, the past is where we think we know where we are.

技巧不是属于我们自身的东西，所谓的优劣智愚不过是教育的产物，但是人的精神境界却有优劣区别。

The most important thing in mathematics is to ask the right questions.

森林不仅仅是树木的集合，而是一个维持生命的活生态系统。

Listen to me, my friend. Hope is a dangerous thing. Hope can make people crazy.

元素周期表是人类好奇心和创造力的证明。