現(xiàn)今之主義，總以互相聯(lián)絡(luò)為必要。
——反復(fù)對革命黨人說
Profitability and purpose are not mutually exclusive—they are increasingly interdependent.
Every mathematical problem has a solution; the challenge is finding it.
The writer's duty is to tell the truth, even when it is inconvenient.
When you have to kill a man it costs nothing to be polite.