Punctuation centuries meant that a standard system of punctuation was urgently required." The introduction of a standard system of punctuation has also been attributed to the Venetian printers Aldus Manutius and his grandson. They have been credited with popularizing the practice of ending sentences with the colon or full stop, inventing the semicolon, making occasional use of parentheses and creating the modern comma by lowering the virgule. By 1566, Aldus Manutius the Younger was able to state that the main object of punctuation was the clarification of syntax. By the 19th century, punctuation in the western world had evolved "to classify
Catholic theology of the body the Church's doctrine and tradition... What was true yesterday is true also today". The Church continues to reflect "in an ever new and deeper way on the fundamental principles that concern marriage and procreation”. The key message of "Humanae vitae" is love. Benedict states, that the fullness of a person is achieved by a unity of soul and body, but neither spirit nor body alone can love, only the two together. If this unity is broken, if only the body is satisfied, love becomes a commodity. Ultimately, Benedict says, Christian love grows out the love of Christ. Catholic theology of