"Every book is a door to another world, a world that exists only in the imagination of the reader."
研究学习的唯一有意义的方法是通过客观测量。
所有老年人共享的大秘密是,你在七八十年里真的没有改变。你的身体改变了,但你一点也没变。当然,这会引起很大的困惑。
It's not always necessary to be better than everyone else, but to be better than you used to be.
每一分都很重要,你必须为每一分而战。