The United States, in their expansive capacity, are capable of containing within their limits the whole population of the earth.

The most beautiful things in life are not things, they're moments.

The only purpose for which power can be rightfully exercised over any member of a civilized community， against his will， is to prevent harm to others.

创新不仅仅是技术的问题；它是关于你如何思考和解决问题的方式。