Related:

• What do you get if you cross a woodpecker with a chicken?
  I don't know, but you have to saw the eggs open....
• Tasha, you're not supposed to be here. "Where am I supposed to be?
  Dead. "Do you know how?" No. But, I do know that it was an empty death, a death without purpose....
• I saw what you did and I know who you are.
• Would you know my name if I saw you in Valhalla?
• I don't know what Descartes' got, But booze can do what Kant cannot. -- Mike Cro
• Yesterday I knew nothing, Today I know that.
• You told me about that yesterday. I know, but I left out a comma. -- Groucho Marx
• We can embody the truth, but we cannot know it. -- Yate