How do you know if you don't measure if you have a system…

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