The reasons for these dealings: (1) God’s faithfulness to His covenant, “His holy promise” of Canaan, is the fountain whence flowed so many acts of marvelous kindness to His people (compare Psa 105:8, Psa 105:11). Exo 2:24 is the fundamental passage [Hengstenberg]. (2) That they might be obedient. The observance of God’s commands by Abraham was the object of the covenant with him (Gen 18:19), as it was also the object of the covenant with Israel, that they might observe God’s statutes.
remembered ... and Abraham - or, “remembered His holy word (that is, covenant confirmed) with Abraham.”