There is no easy way to the glory of a great opera.
学习的挑战不仅在于记忆,还在于从具体例子中归纳出更广泛的概念。
The definition of a good mathematical problem is the mathematics it generates rather than the problem itself.
I’m not a political person, but I’m a person.
人类思维存在着滞后性。我们常常根据过去的经验来应对未来,却忽视了未来可能与过去完全不同。