'Promise' in the Bible

Let us fear therefore, lest perhaps anyone of you should seem to have come short of a promise of entering into his rest.

For when God made a promise to Abraham, since he could swear by none greater, he swore by himself,

Thus, having patiently endured, he obtained the promise.

In this way God, being determined to show more abundantly to the heirs of the promise the immutability of his counsel, interposed with an oath;

For this reason he is the mediator of a new covenant, since a death has occurred for the redemption of the transgressions that were under the first covenant, that those who have been called may receive the promise of the eternal inheritance.

For you need endurance so that, having done the will of God, you may receive the promise.

By faith, he lived as an alien in the land of promise, as in a land not his own, dwelling in tents, with Isaac and Jacob, the heirs with him of the same promise.

These all, having had testimony given to them through their faith, didn't receive the promise,