Translation of the verse 6 from Surah Ar-Rum : Number of verses 60 - - page 405 - Part 21.
(It is) a Promise of Allah (i.e. Allah will give victory to the Romans against the Persians), and Allah fails not in His Promise, but most of men know not.
[It is] the promise of Allah. Allah does not fail in His promise, but most of the people do not know.
(30:6) This is Allah's promise and He does not go back on His promise. But most people do not know.