And so, after he had patiently endured, he obtained the promise. - Hebrews 6:15 "After he had patiently endured" this referring to Abraham, we know that Isaac did not happened immediately, not a year after the promise, not two or five, not ten or twenty, but twenty-five (25) solid years. To many this is just a story, but it is not. Everything stated in the Holy Bible is true and they are for our example, 1 Corinthians 10:11. Today, with the rise of technology and fast food companies, people think there is no need to wait that long for anything anymore, if God is not responding fast enough... just Google it and seek alternatives. This has led to many self afflicted calamities, situations and challenges that many are confronted with today. Abraham and Sarah tried to help themselves out, the result was Ishmael, the world have not recovered from that error yet. So imagine what seeking alternatives outside God can cause for the generations unborn. It pays to wait ...
"But if our gospel be hid, it is hid to them that are lost:" 2 Corinthians 4:3