4 Metaphors for purification

Consequently the impurity of the soul is the soul's bad opinions; and the purification of the soul is the planting in it of proper opinions; and the soul is pure which has proper opinions, for the soul alone in her own acts is free from perturbation and pollution.

The moral purification of humanity as the original idea of Christianity is the guiding idea of his system....

A complete atmospheric purification is nevertheless the most stable of all the methods of obtaining a suspension of malarial production, but unfortunately its realization is very limited, for it is restricted to inhabited localities and to sodded surfaces.

The purification of his individual soul became practically his highest conceivable end; to carry out that he must separate from society.

4 Metaphors for  purification