On pivoting: "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."

Rule of 7 in research. You can find out anything if you are willing to go seven levels. If the first source you ask doesn’t know， ask them who you should ask next， and so on down the line. If you are willing to go to the 7th source， you’ll almost always get your answer.

If you don't know where you are going, any road will get you there.

The best way to predict the future is to create it.

All complex behavior can be reduced to simpler stimulus-response units.

The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.