Mathematics is the language in which the gods talk to people.
强调历史研究既要理解历史背景,又要保持学术批判性。
The poor are often forced to make choices that no one should have to make.
Every time we teach a child something, we keep him from inventing it himself.
"You have to believe in the long term plan you have but you need the short term goals to motivate and inspire you."
"What is to give light must endure burning."
The best way to predict the future is to invent it.