keen

For first it pleaseth the hearing, and so maketh the mind keen to perceive the grounds for provocation; and then being enraged, he thinketh that he is justly angry.

At the same time he ordered them to press into service all the manifold forms of art, for he was a man of the most lofty conceptions and nature had endowed him with a keen imagination which enabled him to picture the appearance which would be presented by the finished work.

And he replied, 'All men acknowledge that we ought to show liberality to those who are well disposed towards us, but I think that we ought to show the same keen spirit of generosity to those who are opposed to us that by this means we may win them over to the right and to what is advantageous to ourselves. But we must pray to God that this may be accomplished, for he rules the minds of all men.'