The strength of a habit is proportional to the amount of reinforcement.
It is health that is real wealth, not gold or silver.
Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.
我的花园是我最美丽的杰作。
We must be vigilant in protecting the Internet from those who would misuse it.
我不喜欢平庸。
The meaning of life lies in the pursuit of truth.