The ability to discipline yourself to delay gratification in the short term in order to enjoy greater rewards in the long term, is the indispensable prerequisite for success.
Brian TracyYour ability to discipline yourself to set clear goals, and then to work toward them every day, will do more to guarantee your success than any other single factor.
Brian TracyWhen you make a to-do list, you should also make a to-not-do list. Warren Buffet was asked about the secret to success, and he said that it was saying no to almost everything. Some of those little tasks won't matter as long as you get the big tasks done.
Brian Tracy