Choose the right people! If you are the smartest person in your group, then you are in the wrong group! Make it a habit of being elevated and elevating others! A time and place for every thing and every one!
You see life from a new perspective once you understand that other people are not thinking of you anywhere near as much as you believed they were, and they only care about your usefulness to them. They disguise it with manners, compliments or religious niceties but deep down we're all selfish.