He managed to hit the nail on the head with that comment.

Who extensively shares his property out of compassion ends up broke.

No good deed goes unpunished.

He had to take to his heels to escape the police.

Having a lot of work to do is not easy at all.

We need to set the record straight on the misunderstanding between us.

I can't rely on him, he's worthless.

He had to eat humble pie and apologize for his mistakes.

You can't bark up the wrong tree and then wonder why you're not getting anywhere.

Don't look a gift horse in the mouth.