קבלה אויף שמות 32:13

Know that the quality of Avraham, which is kindness-Chessed-חסד, and the quality of Yaakov, which is mercy-Rachamim and Truth-Emet-אמת, had to be mentioned in this verse. However, the quality of Yitzchak, which is Fear-Pachad-פחד, did not have to be mentioned, as explained before. Now, you might question this with another verse that states,⁵⁹Leviticus 26:42 “I will remember My covenant with Yaakov, and also My covenant with Yitzchak, and also My covenant with Avraham will I remember,” in which all three forefathers are mentioned. However, know that this verse does not mention their qualities, but only the covenant-Brit-ברית that HaShem-יהו"ה formed with them, to act in a way of goodness with their descendants. Proof of this is from another similar verse,⁶⁰Exodus 32:13 “Remember for the sake of Avraham, Yitzchak, and Yaakov, Your servants, to whom You swore.” As you can see, the oath-Shvu’ah-שבועה in this verse also mentions all three, but only in regard to acting in a way of goodness to the Jewish people, as the verse continues, “and You told them, ‘I will increase your offspring etc.’” The same is true of the first verse, “I will remember My covenant with Yaakov etc.,” for the covenant-Brit-ברית and this oath-Shevu’ah-שבועה are one and the same. Rather, when it mentions the covenant of Yaakov, and the covenant of Yitzchak, and the covenant of Avraham, it means that it is fitting to act in a way of goodness to the Jewish people because of the covenant and oath, which accords to justice. For example, this is like a person who has deposited something as security with his fellow and comes to collect it according to justice. The same is likewise so with the covenant of Avraham, Yitzchak, and Yaakov. We request of HaShem-יהו״ה, blessed is He, to fulfill it according to justice.