You need to persevere, so that after you have done the will of God, you will receive what He has promised.
Ὑπομονῆς γὰρ ἔχετε χρείαν, ἵνα τὸ θέλημα τοῦ Θεοῦ ποιήσαντες κομίσησθε τὴν ἐπαγγελίαν.