Basil of Caesarea Quote
In truth, to know oneself seems to be the hardest of all things. Not only our eye, which observes external objects, does not use the sense of sight upon itself, but even our mind, which contemplates intently another's sin, is slow in the recognition of its own defects.
Exegetic Homilies (The Fathers of the Church, Volume 46) (ed. CUA Press, 2010) - ISBN: 9780813211466