I decided long ago never to walk in anyone's shadow; if I fail, or if I succeed at least I did as I believe.
每一个数学定理都是一个等待被讲述的故事,一个等待被解开的谜团。
Age is foolish and forgetful when it underestimates youth.
儿童的一切教育都必须遵循一个原则,即帮助孩子身心自然的发展。