The harder you work for something, the greater you’ll feel when you achieve it.

Cryptography is about communication in the presence of adversaries.

L'absence est le plus grand des maux.

"I'd never given much thought to how I would die, but dying in the place of someone I love seems like a good way to go."

【译文】 子贡问怎样实现仁，孔子说：“工人要做好工，必先磨好工具。生活在那里，就要追随那里的品德高尚的领导，结交那里的仁义之士。”