Incorrect assumptions lie at the root of every failure. Have the courage to test your assumptions.
Brian TracyWhen you engage in systematic, purposeful actin, using and stretching your abilities to the maximum, you cannot help but feel positive and confident abut yourself.
Brian TracyWhat you concentrate on largely determines the quality and quantity of the results that you get and the success that you enjoy.
Brian TracyI began writing books after speaking for several years and I realize that when you have a written book people think that you're smarter than you really are if I can joke. But it's interesting. People will buy your book and hire you without reading the book just because you have a book and you have a book on a subject that they think is of interest to themselves or e to their company.
Brian Tracy