Our attitude towards Torah is a most fickle one. On the one hand, we demonstrated great faith in following Moshe into a barren desert; it's a story we recount as we plead for G-d's mercy on Rosh Hashanah. On the other hand, we complained at every turn in that same desert. We jumped at the opportunity to accept the Torah, instinctively declaring "Na'aseh v'nishma," yet 40 days later, we were dancing around a golden calf.
Abraham is the founding father of Judaism, Yaakov is the founding father of the Jewish people, and Yitzchak is the link between them. His role was that of consolidator, enabling Abraham’s’ revolutionary ideas to survive to the next generation. He is the quiet link, allowing others to shine in the spotlight. Yet, in a fascinating passage, the Talmud (89b) describes how Yitzchak was the one who came to the rescue of the Jewish people.