The greatest discovery of my generation is that a human being can alter his life by altering his attitudes.
处于困境中的人往往只关注自己的问题,而解决问题的途径通常在于你如何解决别人的问题。
The future of energy lies in diversification - of sources, technologies, and business models.
在数学中,你并不理解事物。你只是习惯了它们。