You don't want modesty, you want humility. Humility comes from inside out. It says someone was here before me and I'm here because I've been paid for. I have something to do and I will do that because I'm paying for someone else who has yet to come.
It's the same thing that drives people to want to experience sexual pleasure or have one too many drinks. We all want to experience the other, and to get out of our daily existence.
But like infection is the petty thought: it creeps and hides, and wants to be nowhere--until the whole body is decayed and withered by the petty infection... Thus spoke Zarathustra.