The most profound insights in mathematics often come from unexpected analogies.
"The only way to do great work is to love what you do."
当你与众不同时,有时你看不到数百万接受你本来面目的人。你只注意到那个不接受你的人。
"The past is always tense, the future perfect."
The heart of the educator must be a living flame, a source of warmth and light.