I was captain and should have set the example. I would lift a minimum of weights. Mine was natural physical strength. I always thought quickness and agility were much more important.
Base Ball to be played thoroughly requires the possession of muscular strength great agility quickness of eye readiness of hand and many other faculties of mind and body that mark the man of nerve.
Tennis takes care of everything. It requires agility and quickness to get to the ball core strength to get power into your shorts and stamina to last for an entire match. In addition to toning your arms and shoulders it's a total body workout for your legs and abs and works your heart and core unlike any other sport.
Intelligence is quickness to apprehend as distinct form ability which is capacity to act wisely on the thing apprehended.
Intelligence is quickness in seeing things as they are.