When you light a candle, you also cast a shadow.
当你点燃蜡烛时，你也投下了阴影。
The joy of solving a mathematical problem is unparalleled; it is a moment of pure intellectual triumph.
The stimuli which are allowed in are not connected by just simple one-to-one switches to the outgoing responses.
Never let your sense of morals prevent you from doing what is right.
"I'm not worried about what people say. I know what I can do."