Translation of the verse 89 from Surah Ash-Shu‘ara’ : Number of verses 227 - - page 371 - Part 19.
Except him who brings to Allah a clean heart [clean from Shirk (polytheism) and Nifaq (hypocrisy)].
But only one who comes to Allah with a sound heart."
(26:89) except that one should appear before Allah with a sound heart. " *65
*65) It cannot be said with certainty whether vv. 88, 89 are a part of Prophet Abraham's prayer, or they are an addition by AIlah. In the first case, they will mean that Prophet Abraham while praying for his father had a full realization of these facts. In the second case, they will be a comment by Allah on Abraham's prayer, as if to say, "On the Day of Judgement, only a sound heart, sound in faith and free from disobedience and sin, will be of any avail to man and not wealth and children, for wealth and children can be useful only if one possesses a sound heart. Wealth will be useful if one would have spent it sincerely and faithfully for the sake of Allah, otherwise even a millionaire will be a poor man there. Children also will he of help only to the extent that a person might have educated them in Faith and good conduct to the best of his ability; otherwise even if the son is a Prophet, his father will not escape punishment, if he died in the state of unbelief, because such a father will have no share in the goodness of his children. "
Source : Ash-Shu‘ara’ Verse 89: But only one who comes to Allah with a sound heart."