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。
It is not shame for a man to learn that which he knows not,whatever his age.
生活中最伟大的荣耀不在于从不跌倒,而在于每次跌倒后都能站起来。
"The best way to get a project done faster is to start sooner."