Never stop learning because the world never stops changing.

Don't let anyone tell you that you can't do something.

The best investment we can make is in the health of future generations.

Life is about taking chances, trying new things, having fun, making mistakes and learning from them.

True leadership means having the courage to make unpopular decisions when they're the right ones.

有一个你无法解决的问题总是好的。这意味着你有事情要做。

The challenge with hepatitis C was not just to find the virus, but to understand how it evades the immune system.

Life lessons will be presented to you in the order they are needed. Everything you need to master the lesson is within you. Once you have truly learned a lesson， you will be presented with the next one. If you are alive， that means you still have lessons to learn.

True leadership is about making the tough decisions when no one else will.

If you are ever in trouble, don’t try to be brave, just run away.