I would say the same but instead of labeling it a myth, label it as mislabeled. Rather than equating potential with capacity, say that everybody has the capacit

I would say the same but instead of labeling it a myth, label it as mislabeled. Rather than equating potential with capacity, say that everybody has the capacity for potential. That's a more physically accurate description of motivation. The trick is use this potential to replenish motivation, and to grow capacity so you can do it better and faster.