Feel Good

When I do good, I feel good.
When I do bad, I feel bad.
That's my religion.
- Abraham Lincoln

About morals: I know only that
what is moral is what you feel good after
and what is immoral is what you feel bad after.
- Ernest Hemingway

Only good comes from being honest and true.
Only harm and suffering cone from falsehood.
It doesn't always feel as if good comes from truth and honesty,
but, in the long run, it does.
- Jonathan Lockwood Huie

Further reading: Overcome Being Negative

Play to win, but be a good loser

What Are You Doing?