Moses' request of the people at this historic moment is understandable, for only that same generation can attest to later generations about the three important events in the life of the people from which they are to draw their strength. Only this generation can attest to the exodus from Egypt, the revelation of the Lord at Mount Sinai, and the miraculous conquest of the promised land. Attesting to the exodus is possible at this point, for there still survived many people in whose mind this experience had been deeply inscribed.