Luqman's advice to his son are the things that we as parents should teach to our children. I'd realised this when I'd recently hosted a Quran Journaling Challenge on my Instagram account @muslim.parenting in which participants had to journal about the ayats relating to Luqman's advice to his son in the Quran (31:13-19). We had to read the tafsir of the ayats and then reflect on what it means to us and how we can apply it to our lives.
1. Teach Your Child Tawheed
O my son, do not associate anything with Allah. Indeed, associating partners with Allah is a great injustice. (Quran, Luqman 31:13)The first thing that Luqman calls his son's attention to is to worship Allah only and not assign partners to Him. This is tawheed. This is the most important concept in Islam: that Allah is One. He has no partners. If partners are ascribed to Allah then it is called shirk, and shirk is the biggest sin that Allah does not forgive.