在这个行业取得成功需要远见和执行。
Natural experiments are a powerful tool for understanding causal relationships in the real world.
我确信宇宙中充满了智慧生命。只是它们太聪明了,不会来这里。
If you're not stubborn, you'll give up on experiments too soon. And if you're not flexible, you'll pound your head against the wall and you won't see a different solution to a problem you're trying to solve.