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.

Never underestimate the power of observation—sometimes the smallest detail leads to the biggest discovery.

任何优秀的飞行员，无论他有多么高的天赋和丰富的经验，都不会不使用检查表。

对失败的恐惧会阻碍进步；拥抱风险才能推动有意义的变革。