In the core of your being you are a good man.
An example would be in the core of the Sun.
She was too far gone to think past the need in her core.
He had to stay down here, in the core of the ship, and do something.
They must be the ones still below, holding whatever was in the core at bay.
That was knowledge burning in the core of the fire.
Virtually all development in the core has been stopped under the law.
He turned away from her, a feeling like punishment in the core of his being.
They know all about the present state of readiness in the core!
The pressure in the core is thus nearly independent of temperature.