此情可待成追忆，只是当时已惘然。
引用李商隐《锦瑟》诗句，表达对往事的怅惘
我从来不知道自己对某件事的看法，除非我读了自己写下的东西。
Believe in yourself and all that you are.
If you double the number of experiments you do per year, you're going to double your inventiveness.
"A good picture book leaves room for the reader's imagination to grow."
