(i) Martin Luther wrote Ninety Five Theses criticising the malpractices in the roman catholic church. he posted a printed copy of it on the door of a church in wittenberg.
(ii) Luther’s writings immediately became popular through printed copies and was read widely.
(iii) 5000 printed copies of luther’s translation of the new testament were sold in a week.
(iv) All these led to a religious debate and marked the beginning of the protestant reformation.
(v) Printing technology played a key role in bringing religious reforms in the 16th century. hence martin luther’s remarked were apt, effective and practical.