It's common when we reach the top, we forget how struggling feels. We despise people, and we just want to make friends whose got the same level with us. Most people don't realize that this thing can bring them down again. That is the importance of humility, to keep you on the top.
Shop Work Hard, Stay Humble series as posters, t-shirt, cards, or whatever, to remind ourself and people around us that working hard that makes us go the top, but humility is what keep us on the top.