| − | '''Brian Tracy''': The ability to concentrate single-mindedly on your most important task, to do it well and to finish it completely, is the key to great success, achievement, respect, status, an happiness in life. [http://www.amazon.com/Eat-That-Frog-Great-Procrastinating/dp/1576751988?ie=UTF8&s=books&qid=1177594096&sr=8-1#reader_1576751988 Eat That Frog!] | + | '''Brian Tracy''': The ability to concentrate single-mindedly on your most important task, to do it well and to finish it completely, is the key to great success, achievement, respect, status, an happiness in life. [https://www.amazon.com/Eat-That-Frog-Great-Procrastinating/dp/1576751988?ie=UTF8&s=books&qid=1177594096&sr=8-1#reader_1576751988 Eat That Frog!] |