"He who is not submissive in his talk will certainly not be so in what he does. To be unfaithful in the small things is to be unfaithful in the great, and this is very hard to bring under control." Source: St. John Climacus, The Ladder of Divine Ascent
"A help to the proud is submissiveness, a tougher and humbler mode of life, and the reading of the supernatural feats of the Fathers." Source: St. John Climacus, The Ladder of Divine Ascent
"When you come to Adoration, to Communion, you should be, as it were, entirely fresh, so that nothing past should burden or occupy your mind, in order that you may be ready to receive whatever impression the good God wishes. You must have peace of mind, and for that end, you must be submissive to [...]
"He who is not submissive in his talk will certainly not be so in what he does. To be unfaithful in the small things is to be unfaithful in the great, and this is very hard to bring under control." Source: St. John Climacus, The Ladder of Divine Ascent