The Rule of St. Benedict - Chapter 7. Humility

(14) The Prophet indicates this to us when he shows that our thoughts are always present to God, saying, "God searches hearts and minds," (Ps 7:10);
(15) again he says, "The Lord knows the thoughts of men," (Ps 93[94]:11);
(16) likewise, "From afar you know my thoughts," (Ps 138[139]:3);
(17) and, "The thought of man shall give you praise," (Ps 75[76]:11).
(18) That he may take care to avoid sinful thoughts, the virtuous brother must always say to himself, "I shall be blameless in his sight," if, "I guard myself from my own wickedness," (Ps 17[18]:24).

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