社会进步可以通过女性的社会地位来衡量。
Every individual has a place to fill in the world and is important in some respect whether he chooses to be so or not.
The good life is not found in luxury, but in the freedom to choose our own path.
Learn to control your emotions to master your life.
数学的本质不是把简单的事情复杂化,而是把复杂的事情简单化。