"The truth was I knew better than most people, but not all."
You can outsmart yourself if you don't listen to people who are smarter than you--or simply have better perspective at that moment.
I'm just getting started in the startup world and eagerly welcoming advice from all sides, but I know I need to strike some sort of balance between information sponge and intrepid plotter of my own course.
How to find that balance point?