成为一体，团结一致是伟大的。但尊重差异的权利可能更伟大。

When you are young, you think that the world is a place where you can live as you choose. But as you get older, you realize that the world is a place where you have to live as you must.

The best time to plant a tree was 20 years ago. The second best time is now.

I was looking for the key for years, but the door was always open.

运营效率和战略对于卓越表现都是必不可少的，但它们以非常不同的方式发挥作用。