“You are what you think you are. Your self-concept determines your performance.”

“The starting point of great success in your life begins, in the simplest terms, when you discipline yourself to think and talk about only the things you want and refuse to think and talk about anything you don't want.”

“The world is full of people who are waiting for someone to come along and motivate them to be the kind of people they wish they could be. The problem is that no one is coming to the rescue. These”

“knowing how to deal with change effectively is a primary requirement for living successfully in perhaps the most exciting time in all of human history ”

“The seventh key is that you must have a major definite purpose for your life. You must have one goal that, if you accomplish it, can do more to help you improve your life than any other single goal.”

“The ability to concentrate singlemindedly on your most important task, to do it well and to finish it completely, is the key to great success, achievement, respect, status, and happiness in life.”

“Your subject should always answer the question “What is the problem to be solved?” or “What is the job to be done?” A”

“You cannot control what happens to you, but you can control your attitude  toward what happens to you, and in that, you will be mastering change rather  than allowing it to master you.”

“If you want to be successful faster, you must double your rate of failure. Success lies on the far side of failure.”

“Regla: el pensamiento a largo plazo mejora las decisiones de corto plazo.”

“Read an hour every day in your chosen field. This works out to about one book per week, fifty books per year, and will guarantee your success.”

“Know What You Believe What are your values today with regard to your work and your career? Do you believe in the values of integrity, hard work, dependability, creativity, cooperation, initiative, ambition, and getting along well with people? People who live these values in their work are vastly more successful and more highly esteemed than people who do not. What are your values with regard to your family? Do you believe in the importance of unconditional love, continuous encouragement and reinforcement, patience, forgiveness, generosity, warmth, and attentiveness? People who practice these values consistently with the important people in their lives are much happier than people who do not. What are your values with regard to money and financial success? Do you believe in the importance of honesty, industry, thrift, frugality, education, excellent performance, quality, and persistence? People who practice these values are far more successful in their financial lives than those who do not, and they achieve their financial goals far faster as well. What about your health? Do you believe in the importance of self-discipline, self-mastery, and self-control with regard to diet, exercise, and rest? Do you set high standards for health and fitness and then work every day to live up to those standards? People who practice these values live longer, healthier lives than people who do not.”

“Our greatest enemies are always our own doubts and fears. But there are no limits to what you can do, be, or have except for the limits you place on yourself.”

“There are a thousand excuses for failure but never a good reason.” —MARK TWAIN”

“Before you begin work, always ask yourself, "Is this task in the top 20 percent of my activities or in the bottom 80 percent?”