Narrated Ibn 'Umar: Allah's Apostle said: Islam is based on (the following) five(principles):
What does Qur’an say about parents?
“And your Lord has decreed that you worship none but Him. And that you be dutiful to your parents. If one of them or both of them attain old age in your life, say not to them a word of disrespect, nor shout at them but address them in terms of honor.” “And lower unto them the wings of submission and humility through mercy, and say: “My Lord! Bestow on them your Mercy as they did bring me up when I was young.” The Holy Qur'an, Chapter 17, Verse 23-24