It could make the performance "robotic-like" or "soul-less" which would be a boring performance to the audience.
Answer: the Bible
The story from the Bible (The Book of Judith) revolves around Judith, a widow, who became upset with her fellow Jews for not trusting God to keep them from the Assyrians. She went to the camp of Holofernes, the enemy general with her loyal maidservant and pleased him by promising information on the Israelites. Judith gained his trust, took his head and saved Israel.