The scholastic view that final causality pervades all things is expressed in the aphorism, Omne agens agit propter finem: Every agency acts for an end.
And it acts in accordance with its nature; this latter is the principium QUO agens agit: the nature is the substance or essence as a principle of the actions whereby the individual tends to realize its end.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "agens" in a variety of sentences. We hope that you will now be able to make sentences using this word.