It is wonderful how the mind is stirred and quickened into activity by brisk bodily exercise.
Pliny the YoungerIt is better to excel in any single art than to arrive only at mediocrity in several, so moderate skill in several is to be preferred where one cannot attain to perfection in any.
Pliny the YoungerIt is difficult to retain what you may have learned unless you should practice it. -Difficile est tenere quae acceperis nisi exerceas
Pliny the Younger