Was it luck that both of the parents were able to put in long, concerted effort? (I'm not trying to say that hard work has nothing to do with anything, quite t

Was it luck that both of the parents were able to put in long, concerted effort? (I'm not trying to say that hard work has nothing to do with anything, quite the opposite, but that "luck", as the word is commonly used, also plays a huge part in any ones life)