Mathematics is the language with which God has written the universe.
I understand that you're unhappy with the life that you've been given. But you know what? Eventually, we all have to accept reality. So, here it is. I am a person. You are not. I make the decisions. You do not.
力量并非来自身体的能力，而是来自不屈的意志。
The true test of our work comes decades later, when it's still being loved and used.
The trick is to pay attention to what's happening around you and to keep writing.