All human beings have three lives: public, private, and secret.
所有人都有三种生活：公开的、私人的和秘密的。
To be creative means to be in love with life. You can be creative only if you love life enough that you want to enhance its beauty.
儿童是通过努力从事活动，从而使个人得到发展的。
书是一面镜子：如果一只猿猴看进去，一个使徒不太可能看出去。
数学不是一项观赏性运动。你必须亲自去做才能理解它。
"Writing is a way of living, a way of existing, a way of being in the world."
幸福就像一只蝴蝶，当你追逐它时，总是抓不到，但如果你安静地坐下来，它可能会落在你身上。
I’m not a perfect person, I never claimed to be one.
"The ultimate test of a machine learning algorithm is its ability to perform well on new, unseen data."