"Anger is generally seen as an unwelcome presence in our midst, however natural it may be. Although each person, and each society, is charged with how anger is to be appropriately channeled, the denial of anger, or its continuous repression, is a deep source of our psychopathology and will invariably seek its expression in a less healthful fashion."

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Like all passions, anger has degrees, ascending from slight vexation through deepening clouds to rage, and finally to fury, which is a black and horrible tempest. In its mid-region, where it is neither too little to be motive nor too furious to be ungovernable, it has usefulness. For all feeling is as fuel, and where there is none life has no fire, and then no flame of ascent.

— James Vila Blake