¹⁶ But, as it is, they aspire for something better, an Eretz HaAvot b’Shomayim; therefore, Hashem is not ashamed to be called "Ehoheihem;" for he prepared for them an Ir Kodesh.

¹⁷ By Emunah Avraham Avinu, when he underwent nisayon, offered up the Akedas HaYitzchak; and he who had received the Havtachot (Promises) was offering as a korban his Ben Yechid. [Yn 3:16]

¹⁸ This was Avraham Avinu, about whom it was said KI VEYITZCHAK YIKARE LECHA ZERA ("In Yitzchak will be called your seed" BERESHIS 21:12).