Gregory House of the Fox TV show 'House' has commented on lying many times.
Everybody lies." First said: <#101>, later this is referred to in almost every episode and also has the following corollaries:
"I don't ask why patients lie, I just assume they all do." <#107>
"It's a basic truth of the human condition that everybody lies. The only variable is about what." <#121>
"Truth begins in lies." First said: <#101>
"I've found that when you want to know the truth about someone that someone is probably the last person you should ask." <#105>
"You want to know how two chemicals interact, do you ask them? No, they're going to lie through their lying little chemical teeth. Throw them in a beaker and apply heat." <#113>
http://www.housemd-guide.com/characters/houserules.php">House Rules, Houseisms: Rules, Proverbs, Philosophy, Quotes