To be a Christian without prayer is no more possible than to be alive without breathing.

哲学，就我对这个词的理解来说，乃是某种介乎神学与科学之间的东西。

History isn't just facts—it's the heartbeat of humanity.

密码学是将信息转换成一种形式，使任何没有解锁密钥的人都无法理解的艺术。