No More Learning

Juvenal           such an example in a climax which makes the reader feel vividly the force of the spring that is contained in the pure law of duty, as duty:
Esto bonus miles, tutor bonus, arbiter idem Integer; ambiguae si quando citabere testis Incertaeque rei, Phalaris licet imperet ut sis Falsus, et admoto dictet periuria tauro, Summum crede nefas animam praeferre pudori, Et propter vitam vivendi perdere causas.