可持续性不仅仅是一个目标,更是一种责任。
In republican governments, men are all equal; equal they are also in despotic governments: in the former, because they are everything; in the latter, because they are nothing.
I've always been a private person, but I understand that comes with the territory.
思想的自由是最珍贵的自由。
Trust is the expectation that arises within a community of regular, honest, and cooperative behavior, based on commonly shared norms, on the part of other members of that community.
The beauty of science lies in its ability to explain the natural world.