為兒童寫作的秘訣是記住做孩子的感覺。
"The secret to writing for children is remembering what it felt like to be a child."
Men are cruel, but Man is kind.
The only person you should try to be better than is the person you were yesterday.
The development of an enterprise cannot be separated from team cooperation.
數(shù)學中真正的挑戰(zhàn)不是解決問題，而是提出正確的問題。
最好的勝利是那些看似不可能的勝利。