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.

做好事如同背负重物而登山，志向虽已确立，但总是担心力不从心；干坏事如同骑马下山，虽然未加鞭，但却欲驻足而难以自禁。

理解自然的途径是通过数学的语言。

If your goal does not have a schedule， it is a dream.

Safety isn't our priority - it's our foundation.

教育不能改变世界。教育改变人。人改变世界。