Humility is a…

Let us define “humility”. Humility is a virtue by which a person has a proper opinion of himself because he knows himself well. This is the virtue that belongs to those who have set their hearts to the climb and have gone from virtue to virtue, from step to step, until they reach the highest peak of humility and gaze upon the Truth from the watch-tower of Zion.
–Saint Bernard of Clairvaux (1090-1153)