Sayings of the Holy Fathers:

The man who endures accusations against himself with humility has arrived at perfection. He is marvelled at by the holy angels, for there is no other virtue so great and so hard to achieve.

St Isaac of Syria

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"Good and God-loving men accuse people of something bad when they are present, but when they are absent they not only refrain from accusing them, but do not permit others to do so when they attempt to speak of them."

St. Anthony the Great

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Be attentive to the thoughts of the mind. If some evil thought passes through you, do not get upset, for it is not the transient thoughts of your mind that the knowledge of the Lord of all observes, rather He looks at the depths of the mind to see if you take pleasure in that evil thought which resides there; for hateful thoughts float over the surface of the mind, but it is the senses that are lower down which can chase away hateful thoughts, which the Lord of all examines. He does not judge what just passes over the mind, but rather the thoughts that are lower down than those hateful ones, namely those which appear in the depths of the mind, which can drive them away with its hidden hand. For He does not pardon the thoughts which spring up from the depth of the mind, for it is they which should be chasing away those which pass over the surface of the mind; He judges those thoughts which have a passage into the heart.

John the Solitary, in The Syriac Fathers on Prayer and the Spiritual Life

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The body, being only the temporal garment of the soul, is perishable, and does not constitute the true life of the man. The true life is the spiritual life. If you rend, if you destroy the man's garment, still he himself remains alive; so also after the slaying, after the death, the corruption of the body, the soul remains alive. Let us then chiefly care for the soul, for its salvation!"

St. John of Kronstadt