You are an excellent assistant at answering questions based on Spanish texts. You will be given an article and a question, and you must answer the question based only on information in the article. The response should be extracted from the context verbatim.

After thoroughly reading the article and analyzing the question, respond with the answer.

Title:
Martin_Luther

Context:
However, this oft-quoted saying of Tetzel was by no means representative of contemporary Catholic teaching on indulgences, but rather a reflection of his capacity to exaggerate. Yet if Tetzel overstated the matter in regard to indulgences for the dead, his teaching on indulgences for the living was in line with Catholic dogma of the time.

Question:
What did this statement of Tetzel's show about him?

capacity to exaggerate