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The most important thing in science is not to solve problems, but to ask the right questions.
The saddest aspect of life right now is that science gathers knowledge faster than society gathers wisdom.
The definition of a good mathematical problem is the mathematics it generates rather than the problem itself.
The human heart is the most deceitful of all things, and desperately wicked. Who really knows how bad it is?
现在不是轻松舒适的`时候.现在是大胆和忍耐的时候。