Question: where did the phrase no pain no gain come from
[{'answer': 'Jane Fonda', 'provenance': [{'wikipedia_id': '1131652', 'title': 'No pain, no gain', 'start_paragraph_id': 3, 'start_character': 48, 'end_paragraph_id': 3, 'end_character': 58, 'bleu_score': 1.0, 'section': 'Section::::Exercise motto.\n'}]}, {'provenance': [{'wikipedia_id': '1131652', 'title': 'No pain, no gain', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 275, 'bleu_score': 0.958740481558872, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15994842961995061628}, 'section': 'Section::::Exercise motto.\n'}]}]