Verb
To make pure or clear from material defilement, admixture, or imperfection; to free from extraneous or noxious matter; as, to purify liquors or metals; to purify the blood; to purify the air.
Hence, in figurative uses: (a) To free from guilt or moral defilement; as, to purify the heart.
To free from ceremonial or legal defilement.
To free from improprieties or barbarisms; as, to purify a language.
To grow or become pure or clear.
Source: Webster's dictionaryDo you see? There exists a kind of knowledge that is without love. It does not purify the psyche in any way, but kills it, as it lacks the love that is the head, the body, and very root of all virtue. Gregory Palamas
[Jesus] was born and baptized that by his suffering he might purify the water. Ignatius of Antioch
The summit of evil, the crime most natural to the devil, pride, was born of knowledge. But if this is so, how can it be possible that all the passions result from ignorance? Does knowledge purify the psyche? Paul says: Knowledge puffs up, but love builds up. Gregory Palamas
Love is never lost. If not reciprocated, it will flow back and soften and purify the heart. Washington Irving
All religions worthy of the name are now making great efforts to purify their doctrines and return to their original standpoint, all except Christianity! You surely know that the nineteenth century Christianity is not the religion taught by Christ. Christ's religion has been changed and corrupted. Virchand Gandhi
There is no hope even that woman, with her right to vote, will ever purify politics. Emma Goldman