It's far easier to put your future into someone else's hands than it is to slog your way forward, owning the results as you go.
Seth GodinThe problem with holding a grudge is that your hands are then too full to hold onto anything else. It might be the competition or a technology or the lousy things that someone did a decade ago. None of it is going to get better as a result of revisiting the grudge.
Seth Godin