有时候生活会用砖头打你的头,但不要失去信心。
The best way to predict the future is to invent it.
做数学就是同时参与创造和发现的行为。
The only thing I can rely on is my own uncertainty.
The church has no power to enforce obedience, neither have any laws they made for that purpose, any binding force on anyone, but by his own consent.
A moment is sucked away before you can say anything about it.