But things soon come into being again as a result of the fire's impulse to play a game with itself.

In a word; I am a man of impulse, as you have known for a long time.

But he apparently thought better of his impulse, and said nothing.

"Yeah, but if we all gave in to that kind of impulse, no one would ever write a book."

One can make the same argument for the control of impulses.

Part of my initial impulse was to save a child.

"My days were made up of impulses that could never become acts."

Take a stand by going against these sorts of impulses.

In his brain was another kind of impulse with its own intensity.

And it didn't seem the sort of impulse to dim over time.