The secret miracles of nature [electronic resource] : in four books : learnedly and moderately treating of generation, and the parts thereof, the soul, and its immortality, of plants and living creatures, of diseases, their symptoms and cures, and many other rarities ... : whereunto is added one book containing philosophical and prudential rules how man shall become excellent in all conditions, whether high or low, and lead his life with health of body and mind ... / written by that famous physitian, Levinus Lemnius.