The quotation is:
If you're not a liberal when you're 25, you have no heart. If you're not a conservative by the time you're 35, you have no brain.
It's actually a misquote misattributed to Winston Churchill.

it's also a load of bullsheet. It presumes that people are solely the product of their experience, that they are unable to reason there way to an understanding of a situation outside of their own. Sure, lots of people really are the self-centered, but that's hardly an ideal.

Just like you see Osama Bin Laderhosen calling for Muslims to blow themselves up you do not see him doing it
And Al Gore flying in private jets and riding in limos when calling for people to conserve energy.
Or George Bush declaring war but never firing a single shot with his own hands.

Now many here think George W is the first person to start a war or that the Middle East was all peaceful and happy before we attacked Iraq.
Yeah, MANY people here think that.

Now old GW he has made more mistakes than a cow has nipples over the War in Iraq but only one Senator voted against giving him the power to do so. And quite frankly I do not beleive the Democrats who say yeah we voted for it but we did not expect him to do it. They are either lieing or they thought he would not do it and they could use that as proof that they were strong on National Defense and the Republicans are weak.
One thing the democrats have failed at and failed miserably is in their role as the loyal opposition. When they were a minority they just went along when they could have least done the "bully pulpit" thing and now that they have a majority in congress they best they can do is the occasional token resistance.