Once the language was mastered grammatically it could be used to attain the second stage, eloquence or rhetoric. This art of persuasion had held was not art for its own sake, but the acquisition of the capacity to persuade others—all men and women—to lead the good life. As Petrarch put it, 'it is better to will the good than to know the truth'. Rhetoric thus led to and embraced philosophy. Leonardo Bruni (c.1369–1444), the outstanding scholar of the new generation, insisted that it was Petrarch who "opened the way for us to show how to acquire learning", but it was in Bruni's time that the word "umanista" first came into use, and its subjects of study were listed as five: grammar, rhetoric, poetry, moral philosophy, and history".