The state is not a work of art; it is a necessity.

The circumstances of the world are continually changing, and the opinions of man change also; and as government is for the living, and not for the dead, it is the living only that has any right in it.

 “每逢你想要批评任何人的时候”，他对我说，“你就记住，这个世界上所有的人，并不是个个都有过你拥有的那些优越条件。”

我认为美来自内心。它不是你可以放在脸上的东西。它是你必须从内心感受到的东西。

"The greatest thing you'll ever learn is just to love and be loved in return."

科学领域的多样性会带来更丰富的视角和更好的解决方案。