There seemed to be nothing any sane person could do about it.

I wrote back what every sane person knows: no, of course it does not.

I had to be the last sane person in the universe.

No sane person, therefore, could tell you what she looked like.

He was also beginning to feel like the only sane person in the group.

You have no idea how much I need one sane clean person near me.

What sane person wouldn't, especially with the support they seem to enjoy?

There's always more stuff going on around here than a sane person can deal with.

"What does any sane person want with those great big houses?"

More than any sane person would ever need - or use.