Most people don't care enough to make a difference. Most people aren't going to buy that new thing you're selling. Most people are afraid to take action. Most people are too self-involved to do the generous work you're hoping for.
How to Communicate with your year old (especially when they don't listen!) - I actually read through all of these and they are great advice, especially the ones about keeping requests short and simple, rephrasing "no running" into "let's walk instead
When You Have Kids Who Never Listen: 8 Positive Strategies That Work