And let us hold unwaveringly to the hope that we confess, for the one who made the promise is trustworthy.

Now when God made his promise to Abraham, since he could swear by no one greater, he swore by himself,

By faith, even though Sarah herself was barren and he was too old, he received the ability to procreate, because he regarded the one who had given the promise to be trustworthy.

Then his voice shook the earth, but now he has promised, “I will once more shake not only the earth but heaven too.”