´It was narrated that Anas bin Malik said:` "A man come to the Prophet (saas) and said: 'O Messenger of Allah, what supplication is best?' He said: 'Ask your Lord for forgiveness and to be kept safe and sound in this world and in the Hereafter.' Then (the man) came the next day and said: 'O Messenger of Allah, what supplication is best?' He said: 'Ask your Lord for forgiveness and to be kept safe and sound in this world and in the Hereafter.' Then (the man) came the third day and said: 'O Prophet of Allah, what supplication is best?' He said: 'Ask your Lord for forgiveness and to be kept safe and sound in this world and in the Hereafter, for if you are forgiven and kept safe and sound in this world and the Hereafter, you will have succeeded.'"
1؎: Indeed, in ‘aafiyah (well-being) there will be protection from general calamities, illnesses, and hardships, and in ‘aafiyah (pardon) there is forgiveness of sins. Now, what more could you desire? These two words encompass thousands of words.
´Anas bin Malik narrated that a man came to the Prophet (ﷺ) and said:` “O Messenger of Allah, which supplication is the best?” He (ﷺ) said: “Ask Your Lord For Al-`Āfiyah and Al-Mu`āfāh in this world and in the Hereafter.” Then he came to him on the second day and said: “O Messenger of Allah, which supplication is the best?” So he (ﷺ) said to him similar to that. Then he came to him on the third day, so he (ﷺ) said to him similar to that. He (ﷺ) said: “So when you have been given Al-`Āfiyah in this world, and you have been given it in the Hereafter, then you have succeeded.”
Shaykh Dr. Abdur Rahman Freywai
Explanation: Note: (In the chain of narration, "Salamah bin Wardaan" is a weak narrator.)
Source: Sunan al-Tirmidhi – Majlis ‘Ilmi Dar al-Da‘wah, New Delhi Edition, Page: 3512