I had a great boss (a shoutout to Greg and Terry at MCCI), once tell me 'Be the dumbest guy in the room, but also the hardest working guy in the room'. I've tried to live my life in part by that mantra. It doesn't mean be an idiot - it means surround yourself with people smarter in one way or another than you are and learn from them to fast-track your growth.
I don't disagree with that at all. Sometimes it's fun to feel smart, but generally speaking I'd rather feel stupid and have gaps in my knowledge ironed out by people who understand a subject better than I do.
To be clear, this isn't about IQ or number-of-wrinkles-in-brain or anything like that. If I were to talk to a carpenter about carpentry or Taco Bell worker about food preparation I would feel stupid since I know basically nothing about either of those subjects.