The key to the realization of desire is the feeling of its reality.
Economic theory provides the tools, but real-world testing refines them.
我花很多时间学习，总的来说，我是为了取悦自己而写音乐，而不是为了大众。
I'm not a rapper, I'm a math legend.
Life is too precious to waste on regrets.
Certification standards are meaningless without rigorous enforcement.