"The greatest enemy of knowledge is not ignorance, it is the illusion of knowledge."
The true genius shudders at incompleteness — and usually prefers silence to saying something which is not everything it ought to be.
除非我们完全接受自己的现状,否则我们无法改变,无法摆脱现在的自己。
The most exciting moments in mathematics are when you discover that two seemingly unrelated areas are deeply connected.