Four Promises of Allah

Call upon me, I will respond to you.. (Surah 40 Verse 60)

So remember me; i will remember you (Surah 2 Verse 152)

And Allah would not punish them while they seek forgiveness (Surah 8 Verse 33)

If you are grateful, I will surely increase you [in favor] (Surah 14 Verse 7)