In making theories, always keep a window open so that you can throw one out if necessary

In making theories, always keep a window open so that you can throw one out if necessary.

They want you to throw your common sense out the window.

The window is still open, but closes Saturday.

I couldn't get my door open, so I crawled out the window.

You see somebody throw a cigarette butt out the window? That's littering. We want to know about it.