Quality is not a problem; it is a solution.
最终重要的不是答案,而是我们提出的问题,我们走过的旅程,对真理的追寻。
The test of a psychological idea is its life-enhancing power.
在数学中,提出问题的艺术必须比解决问题更有价值。
I'm not afraid to speak my mind.
There is only one good, which is knowledge, and one evil, which is ignorance.