The best way to learn is by doing—get your hands dirty in the lab.

We must balance economic growth with environmental responsibility - they are not mutually exclusive.

I'm the reason your grass won't grow.

人类今天拥有自我毁灭的手段——要么是在完全疯狂的发作中，即在一场大战中，通过短暂的破坏发作，要么是通过对原子技术的粗心处理，通过缓慢的中毒和遗传结构的恶化过程。