"Positive psychology is not a spectator sport."

I'm not afraid to take a stand. Everybody come take my hand. We'll walk this road together, through the storm. Whatever weather, cold or warm.

To say 'I love you' one must first know how to say the 'I'.

A city’s greatness is measured by its public spaces.

I paint the way I do because I want to come to terms with the world.

历史不仅仅是发生了什么，而是可能发生了什么。

未来属于那些学习更多技能并以创造性方式将它们结合起来的人。

"if you think tough men are dangerous, wait until you see what weak men are capable of.

The first duty of a man is to think for himself.