Supplication to be said upon reaching the age of forty

Every Muslim who has reached the age of forty should always thank God and supplicate to Him to relieve his distress. So, here is the most wonderful supplication to say upon reaching this age, as it brings great reward: God Almighty said: {My Lord, enable me to be grateful for Your favor which You have bestowed upon me and upon my parents and to do righteousness of which You approve. And make righteous for me my offspring. Indeed, I have turned t…