Or rather, couldn't think of a safe thing to say.

And I think that's probably a safe thing to do.

In that case, you may have done a smart safe thing.

In any event, you could come up with safer things to do.

This was not a safe thing to do, and no one need tell him that.

It was the only safe thing she could think to say.

He caught at the first safe thing that came into his head.

So don't let people talk you into doing the safe thing.

We decided the safe thing to do was to walk it.

I decided the safe thing to do would be to sleep in a tree.