The most valuable currency in business is trust.

The best way to find out if you can trust somebody is to trust them.

I believe in the power of love and music to change the world.

To lose a language is to lose a way of seeing the world.

The worth of a state， in the long run， is the worth of the individuals composing it.

穷人的真正悲剧在于他们除了等待富人给予他们一些东西外，什么也做不了。

积极心理学既关注弱点也关注优势，既对修复最坏的事情感兴趣，也对建立生活中最好的事情感兴趣。