All of them. 
Wise words, @JeffH. I love learning things from people who do things differently from me. Sometimes you get a real gem that makes a big difference in a positive way. That is why I love this forum. Lots of different people, different styles, different climates and different experience levels. New beekeepers make me reread about something that I think I already know, then I often learn something from them too. Nobody constructive is without value. 