Sentences with Mainspring

The engineer carefully wound the mainspring of the old-fashioned music box before it played a sweet melody.

Friendship forms the mainspring of emotional support and well-being in one's life.

The mainspring behind a healthy lifestyle is a balanced diet and regular exercise.

Friendship is often considered the mainspring of happiness in life.

Trust is the mainspring that keeps any relationship strong and resilient.

Community engagement emerged as the mainspring for positive change in the neighborhood, involving residents of all ages.

The desire for freedom and independence was the mainspring that fueled the nation's fight for liberty.