Our brains are wired to look on the bright side, even when the evidence suggests otherwise.

书籍是灵魂的镜子。

I know not with what weapons World War III will be fought, but World War IV will be fought with sticks and stones。

我们开发的每个化学工艺都必须通过三个测试：它安全吗？它可持续吗？它具有可扩展性吗？