一个人不论年龄多大,都要学习自己不懂的东西。这不是羞耻。
The secret to success is to know something nobody else knows.
数学不是一项观赏性运动。你必须亲自去做才能理解它。
Be slow to fall into friendship,but when you are in,continue firm and constant.
我表演不是为了逃避现实;我表演是为了更好地理解它。
Geometry is knowledge of the eternally existent.