Acts 2:3: Divided tongues of fire

Divided tongues of fire
The burning Spirit express,
Who doth His messengers inspire,
And gives His word success:
Active as darted flame
It flies with rapid speed,
As lightning with resistless aim
It strikes the sinner dead.

That Fire inflames the heart,
Expands and spreads within.
Severs the pure and drossy part,
And burns up all our sin;
It consecrates the soul
A living sacrifice,
And offers up the saint a whole
Burnt-offering to the skies.