Possible Clues:

• 'Vidi,' translated
• Eyewitness's words
• "___ Mommy Kissing Santa Claus"
• "__ it first!"
• Our Christmas quote begins
• ''__ what you did!''
• Part of a Caesar boast
• '__ it first!'
• "Noticed that"
• Dr. Seuss's 'And to Think That ___ It on Mulberry Street'