The predominant quality of successful people is optimism.... Your level of optimism is the very best predictor of how happy, healthy, wealthy, and long-lived you will be.
Brian TracyThe sad fact is that people are poor because they have not yet decided to be rich. People are overweight and unfit because they have not yet decided to be thin and fit. People are inefficient time wasters because they haven't yet decided to be highly productive in everything they do.
Brian TracyLeaders are made, not born. You learn to become a leader by doing what other excellent leaders have done before you. You become proficient in your job or skill, and then you become proficient at understanding the motivations and behaviors of other people.
Brian Tracy