化学的乐趣在于实践，而不仅仅是发现。
The joy of chemistry is in the doing, not just the discovering.
Innovation in forestry must balance economic growth with ecological preservation.《绿色未来》
"We are all our own graveyards I believe; we squat amongst the tombs of the people we were."
权力平衡是维持国际体系和平的唯一途径。
The olfactory system is a remarkable example of how the brain can decode complex information from the environment.
The only person you should try to be better than is the person you were yesterday.