The principal feature of Klaproth's erudition was the vastness of the field which it embraced.
Do you ever ponder the vastness of the universe?
One moment, he was a speck of nothing in this vastness that defined his insignificance; another, this whole world was his.
It is difficult to grasp its vastness.
Vast and various as the work of Voltaire is, its vastness and variety are of the essence of its writer's peculiar quality.