How many of us would be willing to do this? God does test our faith, but before Jesus the ultimate sacrificial lamb. The people closest to God had to physically sacrifice something of high value. Like the story below.
When Isaac became a young boy, God spoke to Abraham and commanded him to take his son to Mount Moriah and offer him as a sacrifice to God. This was God’s test of Abraham’s faith. Abraham loved his son very much, but did not hesitate to follow God’s words for he was a man whose faith in God was strong. As Abraham and his son reached the place where the sacrifice was to be performed, Isaac said to his father, “Father, where is the lamb that is to be sacrificed?” Abraham replied, “My son, God will provide the lamb”.
This type of sacrifice is no longer necessary. Because Jesus died for mankind. We have to believe, have faith, and praise God for doing such a monumental thing.