The seabbard is content to be dull when it protects the keenness of the word.

"Quantum cryptography is not about keeping secrets, it's about knowing when someone is trying to steal them."

  沉默是愚人的美德。

建筑太复杂了，不是一个人能解决的。它需要一个团队。

You have to believe in yourself when no one else does

文学是语言的艺术，而语言是沟通的艺术。

Positive emotions are not trivial luxuries, but instead may be critical necessities for optimal functioning.