对森林最大的威胁不是采伐，而是漠不关心。

释义：同品德高尚的人相处，就会天天得到美好的教益；和行为不轨的人鬼混，就会天天产生邪恶的思想。提醒人们在选择交友的时候要慎重。

The future of democracy depends on the ability of democratic societies to reform themselves.

Every human being has hundreds of separate people living under his skin. The talent of a writer is his ability to give them their separate names, identities, personalities and have them relate to each other.

创新不是目的，解决真实问题才是。

艺术的目的是让舒适的人不安，让不安的人舒适。

为你，千千万万遍。

事实是，我不知道我相信什么。我还在努力弄清楚。

The most important thing in mathematics is to understand the concepts, not just to memorize the formulas.

我们不害怕冒险，但我们会明智地冒险。