An astronomer used to go out of a night to observe the stars. One evening, as he wandered through the suburbs with his whole attention fixed on the sky, he fell unawares into a deep well. While he lamented and bewailed his sores and bruises, and cried loudly for help, a neighbor ran to the well, and learning what had happened, said: “Hark ye, old fellow, why, in striving to pry into what is in heaven, do you not manage to see what is on earth?”