It is not from the benevolence of the butcher， the brewer， or the baker that we expect our dinner， but from their regard to their own interest.
可持续发展不仅仅是一个流行词，而是我们对后代的责任。
Education is the foundation for building a sustainable relationship with the sea.
Our highest endeavor must be to develop free human beings who are able of themselves to impart purpose and direction to their lives.
我不喜欢重复自己，我喜欢接受挑战并尝试新事物。
Writing is a way of making the invisible visible.
Natural gas is a versatile fuel that can support renewable energy growth by providing reliability when the sun isn't shining and the wind isn't blowing.
The quantum world appears to us as a web of relations rather than a collection of objects.