The friend who holds your hand and says the wrong thing is made of dearer stuff than the one who stays away.
Mathematics is not just a human invention; it has a deep reality that exists independently of us.
自由不仅仅是随心所欲的机会;也不仅仅是在既定选项之间选择的机会。自由首先是制定可用选择的机会,对它们进行辩论——然后,是选择的机会。