We must design for the human experience, not just for efficiency.
我们必须为人类体验而设计，而不仅仅是为了效率。
Free education is abundant, all over the Internet. It's the desire to learn that's scarce.
阈限性是两个阶段之间的过渡状态，个体不再处于前一个状态，但尚未进入下一个状态。
The only real failure in life is not to be true to the best one knows.
我唯一能依靠的就是我自己的不确定性。
当你专注于做正确的事而非容易的事时，成功自然会随之而来。