Catch Phrase/Oral Tradition

Music

 * "Scream for me ! SCREAM FOR ME !"
 * "Up the Irons!"
 * "We are Motorhead, and we will kick your ass/play rock 'n roll."
 * "Hi/Hello, I'm Johnny Cash."
 * "Say our name with us now, one time together, my brothers, my sisters, my blood... WE ARE! Disturbed!"
 * "Spread the sickness, infect the world..."
 * "Thank you all, you've been great; we've been Megadeth".
 * YOU WANTED THE BEST, YOU GOT THE BEST! THE HOTTEST BAND IN THE WORLD...Kiss!
 * OFWGKTA has several. "Fuck Steve Harvey", "GOLF WANG", "swag me out" and of course "free Earl".
 * In Savatage's Streets: A Rock Opera: "Jesus Saves!" is the catchphrase of both DT Jesus' music fans and his clients from his drug dealing days.
 * "We are REM and this is what we do."
 * "...when you're not looking."

Religion and Mythology

 * Older Than Feudalism with The Bible, Partly due to the earlier parts originally being oral tradition and therefore repetitive to aid memorization.
 * God has 'I am the God of Abraham, of Isaac, and of Jacob', sometimes appended with 'who brought you out of Egypt'.
 * Jesus has 'I tell you the truth' (or variants thereupon depending on the translation, such as 'Verily I say unto thee' or 'I tell you solemnly').
 * Biblical angels almost always introduce themselves with a "Fear not". It's anyone's guess as to why.