Courage is what it takes to stand up and speak； courage is also what it takes to sit down and listen.
勇气是能站起来侃侃而谈。勇气也是能坐下来静静倾听。
Every mental state is a link in the chain of consciousness.
The people who are crazy enough to think they can change the world are the ones who do.
The way we see things is affected by what we know or what we believe.
书籍是镜子，但它们也是窗户。
墨翟我上没有侍奉国君的差事，下没有耕田种地的艰难，我怎么敢放弃读书呢？