Read more. Especially things you disagree with.
Get used to feeling stupid. It’s a sign of growth.
. It’s easy for people to talk a good game, so watch how they behave instead.
Learn something from everyone.
Find things that inspire you and pursue them, even if there’s no money in it.
Starve if you have to, for as long as you need to.
Survive on a little just to prove you can do it.
Get one big success at an early age. It’ll help build your confidence for bigger things.