The most remarkable development of the last quarter of the twentieth century has been the revelation of enormous weaknesses at the core of the world's seemingly strong dictatorships.

Investing in cleaner coal technologies is investing in our planet's future.

Love music, love life, love this world.

You are not your circumstances, you are your possibilities.

你能创造的最有价值的东西就是错误——你无法从完美中学到任何东西。