Yet mad I am not...and very surely do I not dream.

Science, unlike theology, never leads to insanity.

Seeking change always requires a touch of insanity.

Insanity is a disease, and it is highly contagious.

Insanity is not a fit topic for high-school children.

Manie sans délire - insanity without delusion.

Wine and a straitjacket. That pretty much sums it up.

There is madness in every single being, is there not?

There's talk he's become emotionally unhinged.

I should never be left alone with my mind for too long.

Did I do anything last night that suggested I was sane?

and then I decided I was a lemon for a couple of weeks.

The madman who knows that he is mad is close to sanity.

I became insane, with long intervals of horrible sanity.

I want to be loved so badly, it verges on mild insanity.