The only limits you have are the limits you believe.

Not ugly enough.

林业的未来在于平衡经济需求与生态责任。

The most exciting phrase to hear in science, the one that heralds new discoveries, is not 'Eureka!' but 'That's funny...'

Time is a slippery thing: lose hold of it once, and its string might sail out of your hands forever.

我的科学劳动给我带来了极大的满足，我深信不久之后整个世界都会承认这些劳动的成果。

生命太重，不必当真。