保持在场，持续保持在场。成功人士说过：99％的成功就是因为保持在场赢得的。

Every discovery in science opens up a new set of questions, and that's what makes it so exciting.

Freedom is not merely the opportunity to do as one pleases; neither is it merely the opportunity to choose between set alternatives. Freedom is, first of all, the chance to formulate the available choices, to argue over them - and then, the opportunity to choose.