我不是在追求完美，我只是在努力变得更好。

Thinking is behavior. The muscular habits learned in overt speech are responsible for implicit or internal speech (thought).

能源的未来在于平衡经济增长与环境责任。

Leadership is about serving others and helping them achieve their potential.

The universe is not only stranger than we imagine, it is stranger than we can imagine.

The human race has one really effective weapon, and that is laughter.