Glossa Ordinaria
Catena Aurea · Matthäusevangelium 5
And if thy right eye offend thee, pluck it out, and cast it from thee: for it is profitable for thee that one of thy members should perish, and not that thy whole body should be cast into hell. And if thy right hand offend thee, cut it off, and cast it from thee: for it is profitable for thee that one of thy members should perish, and not that thy whole body should be cast into hell.
(ord.) Or; the right eye is the contemplative life which offends by being the cause of indolence or self-conceit, or in our weakness that we are not able to support it unmixed. The right hand is good works, or the active life, which offends us when we are ensnared by society and the business of life. If then any one is unable to sustain the contemplative life, let him not slothfully rest from all action; or on the other hand while he is taken up with action, dry up the fountain of sweet contemplation.