At the root of fear is low self-esteem. This explains why angry people have low self-esteem, are argumentative, stubborn, and quick to flare up yet slow to forgive. Those behaviors are defenses against the underlying fear.
David J. LiebermanThe reason why we often get poor advice is that it's hard to find a person who always has our best interest at heart, isn't envious in any way, and at no level thinks he knows what's best for you.
David J. LiebermanJealousy of other people's success is a sure sign that you feel unfulfilled in your own life. Seeing them enjoy the fruits of their labors is a painful reminder that you do not have what you want nor have you been actively seeking it.
David J. Lieberman