the driving force

*the driving force (behind someone or something )

the person or a thing that motivates or directs someone or something. (*Typically: be ~; become ~; serve as~.) Making money is the driving force behind most businesses. Ambition is the driving force behind Tom. Love can also be the driving force.

Common Names:

Name	Pronounced	Usage
IngÓLfr	-	Ancient Scandinavian
Agilulf	-	Ancient Germanic
HỮU	-	Vietnamese
Vladimir	vlah-DEE-meer (Russian), VLAH-dee-meer (Croatian)	Russian, Serbian, Croatian, Bulgarian, Macedonian, Slovene, Medieval Slavic
Sander	SAHN-dər (Dutch)	Dutch, Swedish, Norwegian, Danish
Lara	['lærə]