Halacha:

Bein Adam l'Chaveiro,  Ma'aser,  Non-Jews,  Pidyon Shevuyim 

Machshava:

Avraham,  Bein Adam L'Chaveiro,  Business Ethics,  Non-Jews,  The Avos 

Parsha:

Lech Lecha 

Collections: Avraham and Sedom

Description

Why Avraham refuses to take money from the king of Sodom (yet takes from others)