We can at least try to understand our own motives, passions, and prejudices, so as to be conscious of what we are doing when we apeal to those of others. This is very difficult, because our own prejudice and emotional bias always seems to us so rational.
The true critic is he who bears within himself the dreams and ideas and feelings of myriad generations, and to whom no form of thought is alien, no emotional impulse obscure.
Stop turning on your emotional television to watch the same program over & over again, the one that shows how much you suffered from a certain loss: that is only poisoning you, nothing else.
Imagination that compares and contrasts with what is around as well as what is better and worse is the living power and prime agent of all human perception judgement and emotional reaction.