It is pearls and rubies to his discourse.

Drudgery, calamity, exasperation, want, are instructors in eloquence and wisdom.

The true scholar grudges every opportunity of action passed by as a loss of power." "Adversity is a severe instructor," says Edmund Burke, "set over us by one who knows us better than we do ourselves, as He loves us better too.
He that wrestles with us strengthens our nerves and sharpens our skill.
Our antagonist is our helper.

This conflict with difficulty makes us acquainted with our object, and compels us to consider it in all its relations.

It will not suffer us to be superficial." Strong characters, like the palm tree, seem to thrive best when most abused.