Design is a career where you learn creative decision making.
Positive culture comes from being mindful, and respecting your coworkers, and being empathetic.
Doing startups is all about making mistakes.
Creativity is an infinitely renewable resource - you are not going to run out of it - so don't be afraid to use it.
In order to succeed spectacularly you have to be willing to fail spectacularly.
The most rewarding thing for me has been this affirmation for me that people are basically good and smart, and if you give them a simple tool that allows them to exhibit that behavior, they'll prove it to you every single day.