Experience is often the most valuable thing you have to offer.
If you want something bad enough, never give up (and take a boost when offered).
Engineering isn't about perfect solutions; it's about doing the best you can with limited resources.
There's a lot of talk these days about giving children self-esteem. It's not something you can give; it's something they have to build.
People are more important than things.
No job should, be beneath us. And if you can't(or won't) sort mail, Where is the proof that you can do anything?