Experimentation is the key to discovering new possibilities.
The night is a great poem, but the stars are its words.
在认识到热是粒子运动后,很容易得出结论:这种运动必然遵循力学的一般规律。
解释:凡是有利的地方,虽然是极高的山,没有不可以上去的;即令有极深的水,没有不可以下去的。
If you're afraid to fail then you're probably going to fail.