Like Pyrrho,[490] on a sea of speculation;
But what if carrying sail capsize the boat?
Your wise men don't know much of navigation;
And swimming long in the abyss of thought
Is apt to tire: a calm and shallow station
Well nigh the shore, where one stoops down and gathers
Some pretty shell, is best for moderate bathers.
XIX.
"But Heaven," as Cassio says, "is above all—[491]