The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.
The great challenge of the modern world is to create institutions that are strong enough to govern effectively but also accountable and responsive to the needs of citizens.
物理學(xué)的美麗在于它能夠用簡單的方式解釋復(fù)雜的事物。
數(shù)學(xué)的語言是普遍的,超越了文化和語言的障礙。