Yet notwithstanding, being incensed, he’s flint:

As humorous as winter, and as sudden

As flaws[40] congealed in the spring of day.

His temper, therefore, must be well observed:

Chide him for faults, and do it reverently,

When you perceive his blood inclined to mirth:

But being moody, give him line and scope;

Till that his passions, like a whale on ground,

Confound themselves with working.”

In a later one, again, of his noble series of English history plays—indeed the latest—Shakspeare makes a ducal politician, astute in practical psychology as well as in politics, utter this apophthegm, of his own coinage:—