如果你不前进，你就在落后。

Perhaps as important is the relation between the existence of solutions to a competitive equilibrium and the problems of normative or welfare economics.

与其选择强壮的身体，不如选择坚韧的灵魂。

I believe that the testing of the student's achievements in order to see if he meets some criterion held by the teacher, is directly contrary to the implications of therapy for significant learning.

如果你想拥有从未有过的东西，就必须愿意做从未做过的事。

I'm just trying to live my life the best way I can.

成功是一段旅程，而不是终点。享受这个过程。