this end, or stray from the path: for the end is the rule of whatever
is ordained to the end. And since the last end of human life is
stated to be happiness, we must consider (1) the last end in general;
(2) happiness.

Under the first head there are eight points of inquiry:

(1) Whether it belongs to man to act for an end?

(2) Whether this is proper to the rational nature?

(3) Whether a man's actions are specified by their end?

(4) Whether there is any last end of human life?

(5) Whether one man can have several last ends?

(6) Whether man ordains all to the last end?

(7) Whether all men have the same last end?

(8) Whether all other creatures concur with man in that last end?
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FIRST ARTICLE [I-II, Q. 1, Art. 1]

Whether It Belongs to Man to Act for an End?

Objection 1: It would seem that it does not belong to man to act for
an end. For a cause is naturally first. But an end, in its very name,