Gone are the days when success depends on how you use your muscle tissues. In this 21st century, your brain cells must work more than your muscle tissues!
Israelmore Ayivor, The Great Hand Book of Quotes
21, 21st-century, brain, brain-cells, cells, day, days, food-for-thought, gone, hard-work, israelmore-ayivor, muscle, muscle-tissues, muscles, past, past-and-gone, past-days, tissue, tissues, twenty-first, twenty-first-century, work, work-hard, yesterday