I think it's very important to have a feedback loop， where you're constantly thinking about what you've done and how you could be doing it better.I think that's the single best piece of advice: constantly think about how you could be doing things better and questioning yourself.

倒置，始终倒置：将情况或问题颠倒过来。反向观察它。

The organism does not perceive stimuli, but objects in their environments.