True courage is not the absence of fear, but moving forward in the face of fear.

"Every man has his secret sorrows which the world knows not; and often times we call a man cold when he is only sad."

The history of women’s labor force participation is not a steady march upward but a story of fits and starts.

是人类而非自然发起行动，但自然在很大程度上控制着结果。

心理学是我们如何驾驭存在的研究。