To a humble mind nothing is more astonishing than to hear its own excellence.
 Thomas Aquinas, Summa Theologica (1274). copy citation

add
Author Thomas Aquinas
Source Summa Theologica
Topic mind excellence
Date 1274
Language English
Reference
Note Translated by Fathers of the English Dominican Province
Weblink http://www.gutenberg.org/cache/epub/19950/pg19950-images.html

Context

“and further, by making known the mode of conception, when he said: "The Holy Ghost shall come upon thee." Thirdly, he purposed to lead her mind to consent. This he did by the instance of Elizabeth, and by the argument from Divine omnipotence. Reply Obj. 1: To a humble mind nothing is more astonishing than to hear its own excellence. Now, wonder is most effective in drawing the mind's attention. Therefore the angel, desirous of drawing the Virgin's attention to the hearing of so great a mystery, began by praising her. Reply Obj.” source