Front Page Titles (by Subject) PREFACE. - Aquinas Ethicus: or, the Moral Teaching of St. Thomas, vol. 1 (Summa Theologica - Prima Secundae, Secunda Secundae Pt.1)
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PREFACE. - St. Thomas Aquinas, Aquinas Ethicus: or, the Moral Teaching of St. Thomas, vol. 1 (Summa Theologica - Prima Secundae, Secunda Secundae Pt.1) 
Aquinas Ethicus: or, the Moral Teaching of St. Thomas. A Translation of the Principal Portions of the Second part of the Summa Theologica, with Notes by Joseph Rickaby, S.J. (London: Burns and Oates, 1892).
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The Sovereign Pontiff, Leo XIII., in his Encyclical on Scholastic Philosophy, writes as follows: “Let the teachers whom you shall discreetly choose make it their aim to instil the doctrine of Thomas Aquinas into the minds of their scholars, and to set in a clear light his solidity and excellence above other authors. . . . But lest supposititious utterances be taken for true, or adulterate for genuine, see to it that the wisdom of Thomas be drunk in from his own streams.”
Nevertheless, experience shows that it is difficult even in the training of young ecclesiastics to get them to read St. Thomas continuously. Indeed it may be feared that St. Thomas is not yet read by them quite as much as Leo XIII. would have wished. And by laymen in English-speaking countries he is read scarcely at all.
1 Several years of teaching Moral Philosophy in a Catholic Seminary induced the Translator to gather numerous references to St. Thomas, which he pressed upon the perusal of his auditors. Most of these passages are here translated, with additions. The translation is not continuous. Phrases, Articles, and whole Questions are omitted, some because they deal with Theology rather than with Ethics, some on account of their difficulty, and some for brevity’s sake. But the original numbering of Question, Article, and Argument has been preserved throughout, marking omissions and affording convenience of reference.
This is a translation, not a paraphrase. The words are the words of St. Thomas. The Translator has added notes, which may sometimes serve to guard against dangerous misinterpretation. Anything in the way of continuous commentary must be sought, so far as he can supply it, in Ethics and Natural Law (Manuals of Catholic Philosophy, Stonyhurst Series), to which this volume may be regarded as a companion.
If it be said: “This is not a translation, but a mutilation:” the reply is forthcoming, that the Angelic Doctor still reposes whole and entire in his own original Latin, to which fair original it is hoped that this abbreviated version may help to introduce new readers.
[1 ]“Doctrinam Thomæ Aquinatis studeant magistri, a Vobis intelligenter lecti, in discipulorum animos insinuare; enjusque præ ceteris soliditatem atque excellentiam in perspicuo ponant. . . . Ne autem supposita pro vera, neu corrupta pro sincera bibatur, providete ut sapientia Thomæ ex ipsis ejus fontibus hauriatur.”