As far as ignorance is concerned, not just Buddhism, every religion recognizes it as the source of suffering.
Dalai LamaAnger is the ultimate troublemaker. I feel you can express a strong disapproval or dislike of an object without losing your temper.
Dalai LamaThere is a saying in Tibetan that "at the door of the miserable rich man sleeps the contented beggar". The point of this saying is not that poverty is a virtue, but that happiness does not come with wealth, but from setting limits to one's desires, and living within those limits with satisfaction.
Dalai Lama