To be truly happy, you need a clear sense of direction. You need a commitment to something bigger and more important than yourself. You need to feel that your life stands for something, that you are somehow making a valuable contribution to your world.
Brian TracyThe person we believe ourselves to be will always act in a manner consistent with our self-image.
Brian TracyThe important thing is the 80/20 rule: 80% of the effects come from 20% of the causes. This means that if you're doing ten tasks, two are going to be vastly more important than others.
Brian Tracy