"Ana's bin Malik Al-Ansar relates that the Holy Prophet (SAW) said: Verily Allah is more pleased with the repentance of His slave than a person who has his camel in a waterless desert carrying his provision of food and drink and it is lost. He , having lost all all hopes (to get that back), lies down in a shade and is disappointed about his camel;when all of a sudden he finds that his camel standing before him. He takes hold of its reins and then out boundless joy blurts out: O Allah, You are my slave and I am Your Lord. He commits this mistake out of extreme Joy."
Bukhari, Muslim

COMMENTARY ON HADITH:-
1.This Hadith deals with the inducement and merit of repentance and pardon of sins. Allah is highly pleased with repentance.
2.One will not have no account for a mistake made without any purpose and intention.
3.It is permissible to take an oath to stress on ones pardon.
May Allah forgive us.Aamin
Wallahu Ta'Alah Aalam.