生命的终结是幸福，而幸福是宁静。

Innovation in science often comes from looking at old problems in new ways.

心理学必须是一门描述的科学，而非解释。

You have to believe in yourself when no one else does.

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。