写作是一种勇气的行为。
Leadership is about empowering others to achieve their full potential.
That's the only trouble with being a dog…they never tell you anything.
数学直觉就像肌肉一样 - 通过锻炼会变得更强大。
For in the final analysis, our most basic common link is that we all inhabit this small planet. We all breathe the same air. We all cherish our children's futures. And we are all mortal.