Ambition means an inner urge of a man to excel others in a particular field of activity.
A work of art has a spiritual urge behind it.
True art comes as a result of an inner urge.
Sex is a natural biological urge and its forceful suppression may create many physiological and psychological problems.
The urge to know more about something is the driving force behind research and analysis.
I suppressed a tremendous urge to giggle.