lose one's senses

It is possible to lose one's senses in such a case.

To lose one's senses, one's reason—yes, to lose them! they are suddenly gone, you know not when, you know not where; you only know they are not here, and they are no longer in your power.

But one would need to have no sincerity in order to deny them, or again to lose one's senses in order to deny the conclusions to be drawn from them.

It was enough to make one lose one's senses!