如果应用得当，技术可以成为发展的强大工具。
Technology can be a powerful tool for development if applied correctly.
最有力的艺术往往来自边缘。
It’s possible that a not-so smart person， who can communicate well， can do much better than a super smart person who can’t communicate well. That is good news because it is much easier to improve your communication skills than your intelligence.
The United States should not try to spread democracy around the world.
量子力学的数学形式不仅仅是一种工具，而且是现实深层结构的反映。
存在两种可能性：要么我们在宇宙中是孤独的，要么不是。两者都同样可怕。