The best and most beautiful things in the world cannot be seen or even touched - they must be felt with the heart.
数学家们至今徒劳地试图在素数序列中发现某种规律,我们有理由相信这是一个人类思维永远无法穿透的谜题。
The most exciting applications of drones haven't even been invented yet.
Collaboration across industries is key to solving the big problems we face today.