Have you ever doubted God’s loving presence in your life? In your heart of hearts, have you ever doubted the very existence of God?When God told Abraham he would be a father in his old age, Abraham doubted God’s promise. Even after talking directly with God, Abraham still had his doubts (Genesis 17:17).When God, posing as one of three travelers, told Abraham that his and Sarah’s desire for a child would be granted, regardless of their age, Sarah laughed because of her doubts and disbelief. They both came to understand that this traveler was actually Jehovah God, but neither Sarah ...