John had prepared this sermon for St. Denys's, Lisvane. As they had cancelled their evening service, he preached the sermon at St. Mark's instead. It is a prequel/introduction to a series on significant Bible passages starting the next Sunday.

This is one of the most significant passages in scripture. God has the right to do what he wants. Everything was riding on Issac, yet God asked Abraham to sacrifice him.
The question is whether Abraham is devoted to God? There are similarities between Isaac and Jesus.
We are tested all the time.

We cannot prove the promises of God in