When we hate our enemies, we are giving them power over us: power over our sleep, our appetites, our blood pressure, our health, and our happiness.

Try honest to see things from the other person's point of view.

Look your audience straight in the eyes, and begin to talk as if every one of them owed you money.

If you want to be happy, set yourself a goal that commands your thoughts, liberates your energy and inspires your hopes. Happiness is within you. It comes from doing some certain thing into which you can put all your thought and energy. If you want to be happy, get enthusiastic about something.

Hurting a man in his dignity is a crime.

Looking at the other person's point of view and arousing in him an eager want for something is not to be construed as manipulating that person so that he will do something that is only for your benefit and his detriment. Each party should gain from the negotiation.

If we rail and kick against it and grow bitter, we won't change the inevitable; but we will change ourselves. I know. I have tried it. I once refused to accept an inevitable situation with which I was confronted. I played the fool and railed against it, and rebelled. I turned my nights into hells of insomnia. I brought upon myself everything I didn't want. Finally, after a year of self-torture, I had to accept what I knew from the outset I couldn't possible alter.