I imagine he thought for a moment he'd lost his reason.

We are living in a land that has lost its reason.

I knew now that the old man had lost his reason.

But when they moved on the school lost its reason for being.

How I wish that she had not lost her reason.

With the seat of government gone, the town lost its reason to exist.

He all but lost his reason in the face of fear.

This was too much to bear, and he began to lose his reason.

It was a relief to know that at least one other person on the station hadn't lost his reason.

But she heard from everyone else that I'd lost my reason.