You build your life around the truth, and then the truth changes.

There are two possible outcomes: if the result confirms the hypothesis, then you've made a measurement. If the result is contrary to the hypothesis, then you've made a discovery.

"You have to believe in the long term plan you have but you need the short term goals to motivate and inspire you."

害怕被征服的人，注定要失败。

猴子爬得越高，尾巴露得越多。

A good abstraction is one that emphasizes the important details and suppresses the unimportant ones.