Do you know what laughter is? I'll tell you. It's God's…

Do you know what it is sir? Do you know what the Dance Dance Revolution is? It's not an actual revolution, so you don't…

— Russell Peters

If the watchdog doesn't bark, how do you know there's a burglar in the basement? And the press is supposed to be a watchdog.

— Bill Moyers

I’m 59 and people call me middle aged. How many 118 year old men do you know?

— Barry Cryer

Here's the point - and Jonah Goldberg reminds us of this. He wrote a blog post that was titled "The MacGuffinization of American Politics."…

— Rush Limbaugh

When you read comic material and people aren't laughing how do you know they're listening.

— David Sedaris

I got pulled over by a cop, and he said, 'do you know the speed limit here is 55 miles per hour?'. So I…

— Steven Wright

I don't get the regular AIDS test anymore. I get the roundabout AIDS test. I ask my friend Brian, "Do you know anybody who…

— Mitch Hedberg

Do you know at this very moment you are surrounded by eternity? And do you know that you can use that eternity if you…

— Carlos Castaneda

Do you know, a horrible thing has happened to me. I have begun to doubt Tennyson.

— Gerard Manley Hopkins

Do you know what elegance is? It is not only what you're wearing. It is how you wear it. who you are inside.

— Carolina Herrera

O, Youth: Do you know that yours is not the first generation to yearn for a life full of beauty and freedom?

— Albert Einstein

Do you know that all great spurts in...progress came just after some unorthodox ideas or exotic impressions had penetrated into a closed system?

— Anatol Rapoport

Do you know when people really become spiritual? It is when they become the slaves of God and are branded with His sign, which…

— Teresa of Avila

Do you know what social justice is? Do you know what social reform is? I didn't either, but reform and social justice are what…

— Silvio Santos

Do you know that my very first experience as a composer was a 'Concerto for Accordion?'

— Alfred Schnittke