Now, humility is defined as "being modest and respectful", to which some might interpret as "unsure and a pushover". But in even the smallest of doses, humility can be quite effective.
But aside from politics, humility can go a long way in life - in careers, in relationships, even in passing as you go about your day. Again, humility is not on the same plane as a lack of confidence. If anything, admitting and acknowledging that you're not God can go a long way to gaining respect and a certain camaraderie with the rest of the world.
For instance (disclaimer: these are fictional characters. I'd love to say they are real, but I know better than to even elude to people I know in blogs without despairing repercussions):
The guy in the meeting who is always right and has nothing but criticism for everyone else's idea? Yeah. We don't like you and we talk about you behind your back. We think you're full of crap because you can't possibly be right 100% of the time. And even if you are, we think you're wrong because you're a tool.
New friend? Yes, your kids are smarter, better-disciplined and more ambitions than mine. And yes, your new boob job looks great (no, I don't want to feel them.) And absolutely, I totally did think that guy was checking you out. Why would he not? You haven't opened your mouth yet.
I probably go to the other extreme. Though I try to appear confident, I usually end up apologizing for something or prefacing it with, "I may be full of shit, but..." I will express my opinion, God knows, but I don't think I get all puffed up about the things I do know. If I'm wrong about this, someone please let me know. And I apologize in advance for my stupidity.
Confidence coupled with humility is impressive. It can be as simple as my boss saying, "That's a good idea. I hadn't thought of that," or an endearing, "I went for a 10 mile run today but pooped out after five." Humility makes me like people more. If you're trying to impress me, tell me a story about how you tried to make this fancy dinner for your kids and spent hours gathering the ingredients, chopping vegetables and cooking it up only to burn the final product. You'll get an "A" for effort, as opposed to the "C" you'd have gotten if you would have told me that you're sure you could win Top Chef.
But don't confuse humility with wishy-washiness or weakness. In large doses, humility can come off as timidity, or a lack of self-confidence. That's technically not humility. That's low self-esteem. The person who can be humble is the person who is confident enough in their strengths to publicly admit their faults - and be OK with that.