心理学的方法必须像自然科学的方法一样精确。

The greatest discovery of my generation is that a human being can alter his life by altering his attitudes.

Happiness is as a butterfly which, when pursued, is always beyond our grasp, but which if you will sit down quietly, may alight upon you.

我从十五岁开始致力于学习，三十岁便能自立于社会了，四十岁对各种事理不再迷惑不解，五十岁懂得了自然界的规律，六十岁对听到的事情能领会贯通，并能辨别是非真伪，七十岁时做事能随心所欲，但又不会超出礼法的规范。

新能源不仅是产业升级的方向，更是国家战略的重要组成部分。