Carmack is probably the most self-consistent opinionated creator out there, given that so many years on he still sticks to one of his original quotes: > "Focus

Carmack is probably the most self-consistent opinionated creator out there, given that so many years on he still sticks to one of his original quotes: > "Focused, hard work is the real key to success. Keep your eyes on the goal, and just keep taking the next step towards completing it. If you aren't sure which way to do something, do it both ways and see which works better." He'll even do Samsung's work for them to fulfill the purpose of that quote.