世界不是模型，模型只是模型。
The nation that destroys its soil destroys itself.
Don‘t waste your time on a man/woman， who isn‘t willing to waste their time on you。
Quality is not an act, it's a habit.
The universe is vast and full of mysteries, and exoplanets are just one of the many wonders waiting to be uncovered.
Coal mining is a partnership between the earth and human ingenuity.
The greatest stories are those that leave us changed.
教师的最大幸福就是把一群群孩子送往理想的彼岸。
过去是一个跟随我们的影子，但它不必定义我们。
Happiness is a warm puppy...
