"A book is a door. You open it. You step through."
以战争建立的帝国必须通过战争来维护自身。
"I write against something, not for something."
自由不是做我们想做的事情的权力,而是做我们应该做的事情的权利。
他呢,狗嘴吐不出象牙。
The essence of mathematics lies in its freedom.