Back by the other in its first place cast,

And whirled from prow to poop, from poop to prow,

But urged by the most potent wind at last

Philander thus irresolute between

The two thoughts, did to the least wicked lean.

(Canto 21.)

As comes the wave upon the salt sea shore

Which the smooth wind at first in thought hath fanned;

Greater the second is than that before

It, and the third more fiercely follows, and