解释：不通过学习而能自己知道的，不去请教他人而能自己通晓的，从古到今没有这样的事。

Success is a function of persistence and doggedness and the willingness to work hard for twenty-two minutes to make sense of something that most people would give up on after thirty seconds.

科学是理解世界，而工程是改变世界。

"A good picture book is a silent conversation between the artist and the child."

效率是把事情做对；效能是做对的事情。