Push me down
and I'll grow.
Confess our secret
and I'll go.

I am the one
that hides within
the silencer known
as the guillotine.

I punish the
ones with heart
and strip away
their mirth.

Only talk to me
if you are insane.
I'm dangerous, but
clearly not inane.

Who am I?

Push me down
and I'll grow.
Confess our secret
and I'll go.

I am the one
that hides within
the silencer known
as the guillotine.

I punish the
ones with heart
and strip away
their mirth.

Only talk to me
if you are insane.
I'm dangerous, but
clearly not inane.

Who am I?

Hint 1

I am a form e when set in motion.

Hint 2

I lay concealed in another form in the title

Push me down and I'll grow. Confess our secret and I'll go.

I am the one that hides within the silencer known as the guillotine.

I punish the ones with heart and strip away their mirth.

Only talk to me if you are insane. I'm dangerous, but clearly not inane.

Who am I?

Push me down 
and I'll grow. 
Confess our secret 
and I'll go.

I am the one 
that hides within 
the silencer known 
as the guillotine.

I punish the 
ones with heart 
and strip away 
their mirth. 

Only talk to me 
if you are insane. 
I'm dangerous, but 
clearly not inane. 

Who am I?