伤人的不是再见，而是随之而来的回忆。
"It's not the goodbye that hurts, but the flashbacks that follow."
The most important thing in trading is to manage your risk.
Technology can help us monitor forests, but wisdom teaches us how to preserve them.
安全不是优先事项，而是价值观。优先事项会变，价值观不会。
"The interplay between mathematics and computer science is a rich source of deep and beautiful results."
常识并不常见。