Though difficult to do with no breath in him, necessity proved a strong motivator.

Sometimes the company of a friend can be one of the strongest motivators to exercise.

"It's a strong motivator, not always for the best."

"They are a strong motivator for restaurants to come up to scratch."

The hunger of an individual is a strong motivator.

Cost, however, may be an equally strong motivator.

Health and self-care were strong motivators for women age 40-55.

The Khanate's security staff often found it to be a very strong motivator.

The positive results from recent competitions are a strong motivator to keep working hard and improve further.