Why did Luther refuse to retract his statements at the diet of worms?

Luther refused to retract his statements at the Diet of Worms because he believed that his teachings were based on The Bible and truth, which he felt compelled to uphold. He famously declared that his conscience was captive to the Word of God, indicating that he could not go against his beliefs even under the threat of excommunication or death. Additionally, he sought to reform the Church rather than abandon it, believing that his criticisms could lead to meaningful change.