It is ignorance that is at times incomprehensible to the wise; for instance, he may not see 'the positive person' or 'the negative person' in such a black and white way as many people do. A wise man may not understand it because, as a catalyst of wisdom, but not always wise in his own eyes, even he can learn from and give back to fools. To think that an individual has absolutely nothing to offer to the table is counter-intuitively what the wise man considers to be 'the ignorance of hopelessness'.
Some people will insult your intelligence by suddenly being nice or nicer to you once you make it … or they think you have.
Among other possibilities, money was invented to make it possible for a foolish man to control wise men; a weak man, strong men; a child, old men; an ignorant man, knowledgeable men; and for a dwarf to control giants.
Only the foolish would think that wisdom is something to keep locked in a drawer. Only the fearful would feel empowerment is something best kept to oneself, or the few, and not shared with all.