For a child, if left to his own will, becomes more self-willed
 Thomas Aquinas, Summa Theologica (1274). copy citation

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Author Thomas Aquinas
Source Summa Theologica
Topic self-knowledge leaving
Date 1274
Language English
Reference
Note Translated by Fathers of the English Dominican Province
Weblink http://www.gutenberg.org/cache/epub/18755/pg18755-images.html

Context

“that "the beautiful is that which is in keeping with man's excellence in so far as his nature differs from other animals." Now a child does not attend to the order of reason; and in like manner "concupiscence does not listen to reason," according to Ethic. vii, 6. Secondly, they are alike as to the result. For a child, if left to his own will, becomes more self-willed: hence it is written (Ecclus. 30:8) : "A horse not broken becometh stubborn, and a child left to himself will become headstrong." So, too, concupiscence, if indulged, gathers strength: wherefore Augustine says” source