That which is used - develops. That which is not used wastes away.

“الطبيب الذي يحب الحكمة لا يقل عن الآلهة في شيء”

“La ocasión en fugazla experiencia inseguray el juicio difícil”

“Primum non nocerum. (First do no harm)”

“Let food be thy medicine and medicine be thy food.”