Pleasing Allah:
“One who pleases his parents has verily pleased Allah, and one who has angered his parents has verily angered Allah.”
Kanzul `Ummal, Volume 16, Page 470
Increase in Blessings:
“One who desires a long life and an increase in livelihood should exhibit goodness towards his parents and establish bonds of kinship (with his relatives).”
Kanzul `Ummal, Volume 16, Page 475
Hajj on behalf of Parents:
“One who performs Hajj on behalf of his parents and repays their debts shall be raised by Allah on the Day of Judgement amongst the righteous ones.”
Kanzul `Ummal, Volume 16, Page 468
Goodness Towards Parents:
“Be good towards your parents and your children will be good towards you. (And) Look upon the womenfolk of others with purity (in conduct and intention) and your womenfolk will be looked upon with purity.”
Kanzul `Ummal, Volume 16, Page 466
Way of Forgiveness:
“Whoever visits the graves of his parents or one of them every Friday, Allah shall forgive his sins and shall regard him to be of those who had been kind to his parents.”
Kanzul `Ummal, Volume 16, Page 468
Greatest Sin:
"It is one of the greatest sins that a man curse his parents."
(Sahi-Bukhari)
Best Deed
The best of the deeds or deed is the (observance of) prayer at its proper time and kindness to the Parents. (Sahi-Muslim)
High Position:
One who is obedient towards his parents and his Lord shall be accommodated in the most exalted of places on the Day Of Judgment.
Kanzul `Ummal, Volume 16, Page 467