'A'ishah Radiyallahu 'anha narrated:
I heard Rasulullah Sallallahu 'alaihi wasallam
saying in one of his Salat
Allahumma haa-sibnee hisa-bun yaseera
(O Allah! Make my account easy).
When he finished his Salat,
I asked: O Nabiyallah! What is "easy account"?
He (sal-Allahu alayhi was-Sallam) replied:
That one's book of deeds be looked into and then he be forgiven.
Verily, O 'A'ishah!
He who will be interrogated on that Day will be ruined!
(Musnad Ahmad)
