Be Careful Of Pharaoh

"Go to Pharaoh and say, 'We are the messengers of the Lord of the worlds, [Commanded to say], "Send with us the Children of Israel."'" [Pharaoh] said, "Did we not raise you among us as a child, and you remained among us for years of your life? And [then] you did your deed which you did, and you were of the ungrateful." Quran (Ash-Shuara [26:16-19]) Sheikh Abdul Nasir Jangda explains the ayah (in bold), that when a person, who had had a bad past, for example; he/she was sinful, disobedient or non-believer at a certain time period in their past, comes to you with something good, or calls you towards Allah; make dawah, then don't scoff him/her away. Or look down upon them or remind them of what they have been because at that time we'll act exactly like Pharaoh did when Hazrat Musa (Moses) aleyhs salam went to him and called to him to Allah, and then later asked him to free Children of Israel and let them go with him. Pharaoh laughed at ...