From today’s Office of Readings:

“Let us never assume that if we live good lives we will be without sin; our lives should be praised only when we continue to beg for pardon.”

“We should be displeased with ourselves when we commit sin, for sin is displeasing to God. Sinful though we are, let us at least be like God in this, that we are displeased at what displeases him. In some measure then you will be in harmony with God’s will, because you find displeasing in yourself what is abhorrent to your Creator.”