历史学家是向后看的先知。
The most powerful thing about the internet is its ability to connect people.
  沉默是愚人的美德。
The great challenge of modern politics is to reconcile the demands of identity with the requirements of liberal democracy.
The future of energy is diverse. No single source can meet all the world's needs. We need all energies working together.
I'm alive and I have a chance to do something with my life. That's the only motivation I need.