悲伤会改变形态但永远不会真正离开我们。
The joy of solving a mathematical problem is unparalleled; it is a moment of pure intellectual triumph.
The people who get on in this world are the people who get up and look for circumstances they want, and if they cannot find them, make them.
The only sensible ends of literature are, first, the pleasurable toil of writing; second, the gratification of one's family and friends; and lastly, the solid cash.
We must balance profitability with purpose—that's the future of business.