Frank J. Wilstach, comp. A Dictionary of Similes. 1916.

Passionate

Passionate as young love.
—Anonymous

Passionate men, like fleet hounds, are apt to overrun the scent.
—Anonymous

Passionate as the Hun.
—John Henry Newman

A passionate man is like a weak spring, that cannot stand long locked.
—William Penn

The passionate are like men standing on their heads; they see all things the wrong way.
—Plato

Passionate as an April day.
—William Rowley