Apologizing doesn't always mean you're wrong and the other person is right. It means you value your relationship more than your ego. Source: Internet
Good breeding consists in concealing how much we think of ourselves and how little we think of the other person. Mark Twain
Flattery is telling the other person precisely what he thinks about himself. Dale Carnegie
Change will not come if we wait for some other person or some other time. We are the ones we've been waiting for. We are the change that we seek. Barack Obama
Resentment is like drinking poison and waiting for the other person to die. Carrie Fisher
If a person loves only one other person and is indifferent to all others, his love is not love but a symbiotic attachment, or an enlarged egotism. Erich Fromm