הלכה על אבות 4:14

No less significant from the historical perspective is the phenomenon of travel for purposes of study and the broadening of intellectual vistas. Throughout the ages, the advice of the Sages of the Mishnah, "Go as an exile to a place of Torah" (Ethics of the Fathers 4:14), was accepted and acted upon by significant numbers of students and scholars many of whom spent long periods of time away from their homes and families.