The Know-Nothing Party.

 "What you don't know can't hurt you."

Except in the case of land mines.

When only the best will do.

 Only so-so is good enough in the circumstances.

As good as it gets.

By any other name.

 Share and share alike is a squatter's right.

Possession is no points of the law.

Maybe or not maybe, that is the question.

 That is a very definite maybe. Possibly.

It could go either way.

Without rhyme or reason.

 Bad poetry is not his bag.

Maybe Adam Sandler?

Puppet Master.

 Jimmy Nelson and Danny O'Day with Farfel the Dog.

He was no Paul Winchell.

Man's best friend.

 No fuss, no muss, no mess.

Not even an oil change.

Dust to dustbin.

Ashes to ashes. Earthworm to earth.

Low maintenance pet in life and in death.

Fourth wall cracks.

Ever get the vague feeling that someone is watching you?

Life in the fishbowl.

Nutritional information.

 Food for thought is all we have today.

Brain food is also not brains.

Mine, mine, mine.

 An equitable arrangement. What's yours is mine...

And what's mine is my own.

Everything in its place.

 When you have a label maker...

Everything looks naked without a label.

Pass it on.

 Share the wealth, while you can.

Anonymous benefactor prefers it that way.

The possession.

 Possession is nine points of the law.

What's your point?

How high the moon.

 If zero is not a round number, nothing is.

You have to give him credit -- on his taxes.

The ayes have it.

A sizable majority favors unarmed robbery.

This could signal a whole new approach to reducing crime.

The greater goods.

 A tangible proof that things can get better.

One small corner of order amid the chaos.

And another thing.

 Good advice never goes out of style.

As true now as it ever was.

After You've Gone and other song titles.

You'll feel blue. you'll feel sad.

Or not, as the case may be.

A dog and his boy.

 It's good methodology to provide a reward.

A treat is generally indicated.

Puttin' on the Ritz.

Looking good?  It's in the bag.

Actually, it's designer sneakers.

The invisible man.

 Now you don't see him. Now you do.

I saw a man who wasn't there.

It's like Times Square.

 If you sit there long enough, the whole world will pass by.

Denial is a the sincerest form of confession.

All in her head.

 A second opinion definitely is in order.

She's not herself.

Just built that way.

 Don't take it personally, but...

The center of the universe is already occupied.

The bright side.

 In the words of the old song, it was confabulation.

Or it should have been an old song.

The tinfoil brigade.

 You can trust him, he is the fact checker, after all. 

   Or that's what they want you to think.

Super dense matter.

 There's no cure for the stone boneheaded.

The hardest substance in the known universe.

"I am shocked, shocked I tell you."

 Thanks to the pandemic, there is a shortage of chlorine tablets.

The pool anticipated her, it has a heater.

Nolo contendere.

 It's no contest however you look at it.

Non compos mentis.