Success is not the key to happiness. Happiness is the key to success. If you love what you are doing, you will be successful.

Those who cannot remember the past arecondemned to repeatit.

You can't change what's going on around you until you start changing what's going on within you.

I don't care about being remembered as the most famous person in the world. I want to be remembered as the most fearless.

当领导者学习时，他们比教学时更具榜样力量。