Giving food to the hungry is a good deed (Donation of the food is a very good donation - 'anna dAnam'). But more than the above type of 'dAna', educating the people (Teaching - 'vidya dAnam') is more better type of 'dAna' because by food one's hunger would be calmed down only for the time being. But the knowledge attained is helpful for whole of our life.
Therefore it is said that 'vidya dAna' is the most important among various other types of dAna. Also refer to the previous subAshit Kr. 51 (The wealth of knowledge is the most superior wealth of all!)
Five characteristics of a fool person are stated; haughtiness, wicked statements, anger (for nothing), strong arguments (without support) and lack of respect/tolerance to others opinion.