There's nothing wrong with having a plan. Plans are great. But missions are better. Missions survive when plans fail, and plans almost always fail.
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