永远追求卓越，而不是完美。

Certification standards are meaningless without rigorous enforcement.

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

"She was free in her wildness, she was a wanderess, a drop of free water. She belonged to no man and to no city."

心理学必须是一门功能的科学，而不仅仅是事实的科学。