Related:

• I know not with what weapons World War III will be fought, but World War IV will be fought with sticks and stones.
  -- Albert Einstei...
• I know not with what weapons World War III will be fought, but World War IV will be fought with sticks and stones.
  -- Albert Einstei...
• Hibbert: You know, isn't it interesting how the left -- or sinister -- twin is invariably the evil one.
  I had this theory that... Wait a minute. Hugo's scar is on the wrong side....
• I know a heartache when I see one.
• I'm not a Sysop, but I know their "occasional" *pain*.
• I was thrown out of N.Y.U. my freshman year. . . for cheating on my metaphysics final.
  You know, I looked within the soul of the boy sitting next to me....
• Picard: "Sarek, we are a part of each other. I know that he has caused you pain.
  But I also know...that you love him." Sarek: "Tell him, Picard....