Oprah visits multiplatinum artist and actor LL Cool J and his family at their home in Los Angeles for a rare interview. The star of "NCIS: Los Angeles" talks about how his marriage to Simone and his family made him the man that he is today. 

Oprah asks LL's four children to finish this sentence: "The best thing your father ever taught you was…" His son Najee finishes the statement with, "You can do anything you want if you put your mind to it. Just stay focused." Watch the clip to find out how LL's three daughters -- Italia, Samaria, and Nina Simone -- answered the question... and to see LL's adorable reaction.

Also in the "Oprah's Next Chapter" interview, LL Cool J opens up about his career, how he overcame his sex-crazed youth, his abusive childhood and the night he woke up to find a stranger in his home. Watch "Oprah's Next Chapter" on Sunday, Jan. 27 at 9 p.m. ET on OWN.

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