The Holy Prophet (S) told Amir-ul-Mu'mineen ‘Ali (‘a): "O' ‘Ali! Allah has cursed the parents who would cause their child to be disobedient of them by cursing them."
Wasa'il-ush Shiah, vol. 21, p. 290
Imam Amir-ul-Mu'mineen ‘Ali (‘a) said to one of his followers: "Do not devote most of your activity to your wife and your (grown up) children, because if your wife and children are lovers of Allah, then He will not leave His lovers uncared for, and if they be enemies of Allah, then why should you worry and keep yourself busy about the enemies of Allah."
(There are two opposite extremes that can be taken by men in regards to providing for their families. One is the negligence of his responsibility to them and the other, which is addressed here, is the excessive compiling of wealth for them. Either of these two extremes are advised against).
Nahjul-Balagha, p. 536, saying No. 352
Imam as-Sadiq (‘a) said: "Take action in teaching traditions (of Ahlul Bayt) to your children before the corrupted persons precede in corrupting them."
Al-Kafi, vol. 6, p. 47
Imam as-Sadiq (‘a) said: "Benediction of a man to his child is his benediction to his parents."
Man La YahduruhuI Faqih, vol. 3, p. 483
Imam Amir-ul-Mu'mineen ‘Ali (‘a) said: "The right of a child upon his father is that he should give him a nice appellation, train him well and teach him the Qur'an (with its rules)."
Nahjul Balagha, Saying 399
The Holy Prophet (S) said: "Have your children to learn swimming and and shooting."
Al-Kafi, vol. 6, p. 47
The Holy Prophet (S) said: "When your children are grown up to seven years, teach them the prayers, and when they are ten years old, seriously admonish them for it (in order that they establish prayers); and separate their sleeping beds from each other."
Kanz-ul-Ummal, vol. 16, No. 45330
Imam Sajjad, the fourth Imam, (‘a) said: "The right of your child is that you know that he has emerged from you and in this world, his right and wrong are attributed to you. You are responsible of his fine teaching and training, guiding him to his Lord, Almighty and Glorious, and, assisting him to obey Him. Therefore, be sure that if you do a favour to your child, you will obtain it; and if you act viciously against him, it will come back to you, too."
Man La Yahduruhul Faqih, vol. 2, p. 622
The Holy Prophet (S) said: Honour your children and train them well, you will be forgiven by Him."
Bihar-ul-Anwar, vol. 104, p. 95