我为孩子们写作，因为我曾经是一个需要书籍的孩子。
"I write for kids because I was a kid who needed books."
"Freeing yourself was one thing, claiming ownership of that freed self was another."
The world is a great symphony, and we are the notes.
穆里尼奥嘲讽瓜迪奥拉
Challenges are opportunities in disguise—embrace them.
The interplay between discrete and continuous mathematics is where some of the most interesting problems lie.
The oldest and strongest emotion of mankind is fear, and the oldest and strongest kind of fear is fear of the unknown.
我们每个人，每天都在进行创造自己的行为。