The environmental and aesthetic benefits to cities is the prime motivation.

I play the game for fun and that will always be the prime motivation.

Some experts here say that result may have been a prime motivation behind the attack on Parliament.

The subject is developed as the prime motivation of his religious conversion.

Even among employees interested in joining the union, resentment of the rich does not seem to be the prime motivation.

The prime motivation for public sector cuts is, then, to dismantle the state.

While Brown had explored autobiography in the past, he makes clear that advocacy is the prime motivation for the book.

The prime motivation for this move was to eradicate the club's debt of nearly £20 million.

In other words, an artist's prime motivation need not be the pursuit of the aesthetic.

It was the prime motivation for ratting on each other.