> Identify and recognize the difference between one-way doors (reversing decisions here is difficult and expensive) or two-way doors (you can make a choice and if it turns out to be wrong you can go back and pick a different door with low risk). When dealing with two-way doors it's fine and desirable to iterate quickly.
> When a decision has to be made, "disagree but commit". After a discussion takes place, even if you disagree with some aspect, you eventually commit to supporting whatever plan has been made.
> Another key take away was that previous generations need to set up the infrastructure that makes it possible for the next generation to innovate. Jeff talks about how Amazon wouldn't have been possible without existing mailing infrastructure and the Internet. He says that he's hoping that his rocket company can help set up the infrastructure necessary for humanity to continue growing and expanding in space.