In mathematics, the art of proposing a question must be held of higher value than solving it.
在数学中，提出问题的艺术必须比解决问题更有价值。
"What you don't know can't hurt you, but it can kill you."
I believe in the power of positive thinking.
Literature is the art of making the invisible visible.
The most important property of a program is whether it accomplishes the intention of its user.