The Holy Quran says, "Your Lord has decreed that you worship none but Him, and that you be kind to parents. Whether one or both of them attain old age in thy life, say not to them a word of contempt, nor repel them, but address them in terms of honor." Surah Al Isra (17:23)
According to the Prphet Muhammad (PBUH), the parents of a person is his Heaven or Hell. What this means is that if a person obeys his parents, provides them with what they need and keeps them happy and comfortable, he will attain paradise.