Focus on what you can do rather than stress about what you have no control over.
We have so many opportunities in first world countries. Let's not squander them by focusing on obstacles-real or imaginary!
Pick yourself up when you're feeling down. No one else is likely to.
It's OK to be down in the dumps - just don't stay there too long.
There are always more choices than you think.
The poorest person is not one without a dollar but one without a dream.