If I were to summarize in one sentence the single most important principle I have learned in the field of interpersonal relations, it would be this: Seek first to understand, then to be understood. This principle is the key to effective interpersonal communication.

Most people are basically a victim of the circumstances of their life. They have things like 9/11, they have terrorism threats, they have new war threats, they have economy problems, and they think, 'What can I do? I'm basically a victim.'

Happiness, like unhappiness, is a proactive choice.

You can buy a person's hands but you can't buy his heart. His heart is where his enthusiasm, his loyalty is.

Trust is the highest form of human motivation. It brings out the very best in people. But it takes time and patience.

If two people have the same opinion, one is unnecessary. ... I don't want to talk, to communicate, with someone who agrees with me; I want to communicate with you because you see it differently. I value that difference.

In the space between stimulus (what happens) and how we respond, lies our freedom to choose. Ultimately, this power to choose is what defines us as human beings. We may have limited choices but we can always choose. We can choose our thoughts, emotions, moods, our words, our actions; we can choose our values and live by principles. It is the choice of acting or being acted upon.