Education is learning what you didn't even know you didn't know. Daniel J. Boorstin
I was gratified to be able to answer promptly, and I did. I said I didn't know. Mark Twain
I didn't know the full dimensions of forever, but I knew it was longer than waiting for Christmas to come. Richard Brautigan
Happiness often sneaks in through a door you didn't know you left open. John Barrymore
Don't be in a hurry to condemn because he doesn't do what you do or think as you think or as fast. There was a time when you didn't know what you know today. Malcolm X
When you have a child, your previous life seems like someone else's. It's like living in a house and suddenly finding a room you didn't know was there, full of treasure and light. Carol Ann Duffy