 That incident proved to be his turning point and from then on he declared his motto to be an “"undying love for the underdogs and for true justice"”.In 1897, Grove was accepted in the Military Academy, from which he graduated as an artillery sub-lieutenant.At the Military Academy, he was a classmate of Carlos Ibáñez del Campo and Arturo Puga Osorio, with both of whom he remained in contact for the rest of his long military and political life.