The end of history will be a very sad time. The struggle for recognition, the willingness to risk one's life for a purely abstract goal, the worldwide ideological struggle that called forth daring, courage, imagination, and idealism, will be replaced by economic calculation, the endless solving of technical problems, environmental concerns, and the satisfaction of sophisticated consumer demands.

To understand everything is to forgive everything.

Courage is what it takes to stand up and speak; courage is also what it takes to sit down and listen.

心理学必须关注意识的实用性。

The true measure of success is how we uplift the communities where we operate.

Democracy is the worst form of government except all those other forms that have been tried from time to time.

美丽的眼睛能发现他人身上的美德，美丽的嘴唇只会说出善言，美丽的姿态能与知识并行，这样就永不孤单。