Don't be so bitter about a bad experience

Robert Kiyosaki ‏: Don't be so bitter about a bad experience from your past that you miss the opportunities in front of you.

Rich Dad Poor Dad is the story of Robert Kiyosaki 's financial education. He had two 'dads' - one his real dad, who was poor, and the other, his best friend's dad, who was on his way to becoming a very rich man.