Italian Dominican friar, philosopher, Catholic priest, and Doctor of the Church (1225–1274)
Saint Thomas Aquinas (c. 1225 – 7 March 1274) was an Italian Dominican friar, philosopher, Catholic priest, and Doctor of the Church. An immensely influential philosopher, theologian, and jurist in the tradition of scholasticism, he is also known within the latter as the Doctor Angelicus, the Doctor Communis, and the Doctor Universalis. The name Aquinas identifies his ancestral origins in the county of Aquino in present-day Lazio, Italy. Among other things, he was a prominent proponent of natural theology and the father of a school of thought (encompassing both theology and philosophy) known as Thomism. He argued that God is the source of both the light of natural reason and the light of faith. His influence on Western thought is considerable, and much of modern philosophy is derived from his ideas, particularly in the areas of ethics, natural law, metaphysics, and political theory.
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But in the constitution of things there is no inequality of parts through any preceding inequality, either of merits or of the disposition of the matter; but inequality comes from the perfection of the whole. This appears also in works done by art; for the roof of a house differs from the foundation, not because it is made of other material; but in order that the house may be made perfect of different parts, the artificer seeks different material; indeed, he would make such material if he could.
Tyrannical governance is unjust, since it is ordered to the private good of the ruler, not to the common good . . . And so disturbance of such governance does not have the character of rebellion . . . Rather, tyrants, who by seeking greater domination incite discontent and rebellion in the people subject to the them, are the rebels.
Yet through virtuous living man is further ordained to a higher end, which consists in the enjoyment of God, as we have said above. Consequently, since society must have the same end as the individual man, it is not the ultimate end of an assembled multitude to live virtuously, but through virtuous living to attain to the possession of God.