vital force

Kopitar was a vital force in both of the team’s championship runs, and that counts for a lot.

This constituency is a vital force in the Democratic Party, but its inclusion at the table of power remains a frustrating work in progress.

Tyus became a vital force in the formation in 1974 of the Women’s Sports Foundation, which is dedicated to enabling opportunities for girls and women.

He was, in truth, more of a Renaissance man than a modern scientist, and still thought in terms of vital forces, an abstract conception of perfection and spirits that kept the body alive.

Invoking special vital forces or inventing mystical fluids to explain life was unnecessary.