A Short Walk On A Long Bridge

Accompanying a Jew at the beginning of their journey is a Mitzvah. It guarantees that no harm will befall them as they go. Yet as a result of Pharoh walking 4 steps to escort Avrohom, the Jews become enslaved for 400 years in Egypt. Sources: Bereishis Vayeshev Perek 37 Possuk 14. Commentery of Rashi and Baal Haturim Bereishis Vayechi Perek 50 Possuk 7 Commentery of Baal Haturim Gemara Sotah 46 B End of Tosafos Sotah 42 B ‘Meah Popei’ Bartenura begining of Pirkei Avos