Frost was about to add it to the heap when an impulse made him look inside.

Some impulse made him add, "If you don't hurt me."

The impulse given at these three periods has made Europe what it now is.

Some obscure impulse makes me want to keep this talent secret for the time being.

But even on a far more modest scale, the incremental impulse makes itself felt.

These pieces reflect an impulse to make art out of what is at hand, even though the results may necessarily be awkward.

What strange impulse made me pause in passing, I wonder?

As they joined the road, an impulse made Mungo look back.

A belated impulse makes me turn over my own hand.

We share the impulse to make things, the fear of not getting them right.