Quantum cryptography doesn't rely on the difficulty of mathematical problems, but on the fundamental laws of physics.
Sustainability is the only path forward for livestock farming—there is no alternative.
A person is never happy except at the price of some ignorance.
Sit down before fact as a little child, be prepared to give up every preconceived notion, follow humbly wherever and to whatever abysses nature leads, or you shall learn nothing.
"You can't be a great leader without great people."
梦想是让我们继续前行的力量，即使一切似乎都已失去。