Forty years old was I when Moses the servant of Yahweh sent me from Kadesh-barnea to spy out the land; and I brought him word again as it was in my heart.
Caleb was still strong in faith as well as in body, even though he was old. He continued to trust in God to fulfill His promise concerning the land rather than in his personal physical ability to take it from the enemy. His name means "according to the heart."