Lots of people limit their possibilities by giving up easily. Never tell yourself this is too much for me. It"s no use. I can"t go on. If you do you"re licked, and by your own thinking too. Keep believing and keep on keeping on.
When you do nothing, you feel overwhelmed and powerless. But when you get involved, you feel the sense of hope and accomplishment that comes from knowing you are working to make things better.