Even the most primitive impulses, however, can be resisted.

What about those primitive impulses that helped get us there in the first place?

These play to a primitive impulse to respond to immediate opportunities and threats.

Yet now was not the time to dwell on his primitive impulses.

It is radical, a primitive impulse - elementary.

"Your primitive impulses cannot alter the situation."

On a deeper level, an actor is someone who remembers the primitive primordial impulses that inhabited his body before he was 'civilized' and 'educated'.

All the primitive impulses humankind has tried to forget are revived in the music of one and the politics of the other.

He had a primitive impulse to tear them from her throat and cast them into the river.

Almost, at times, he forgot where he was going--forget everything but the blind, primitive impulse of flight.