Here are some cool quotes that pepper the history of the church. Each shows and awareness that one-another relationships, and in fact mentoring, play a useful role in spiritual maturity.
"The role of the tutor is to improve the soul, not to educate nor give information, but to train someone in the virtuous life."
-- Clement of Alexandria (150-215)
"Do not be your own master and do not set out upon a way that is entirely new to you without a guide; otherwise, you will soon go astray."
-- Jerome (347-420)
"As a blind man cannot follow the good road without a leader, no one can walk without a guide."
-- Augustine of Hippo (354-430)
"He becomes the disciple of a fool who sets up to be his own teacher."
-- Bernard of Clairvaux (1090-1153)
"It is a great advantage for us to be able to consult someone who knows us, so that we may learn to know ourselves."
-- Teresa of Avila (1515-1582)
"So you ascribe all the knowledge you have to God, and in this respect you are humble. But if you think you have more than you really have, or if you think you are so taught by God, as not longer to need [another person's] teaching, pride is at the door."
-- John Wesley (1703-1791)
"Behind every saint stands another saint. That is the great tradition. I never learnt anything myself by my own nose."
-- Friedrich von Hugel (1852-1925)