Learning is not a matter of trial and error, but of insight.
牙痛的人认为牙齿健康的人都快乐。穷人对富人也犯同样的错误。
Growth comes from challenging the status quo.
If a lion could talk, we could not understand him.
正是依靠观察和思考才能找到方法。所以我们必须不断挖掘和钻研。
"We are all in the gutter, but some of us are looking at the stars."