Truthfulness, trustworthiness, fulfillment of promises, patience, courage, forbearance, humility and generosity are significant features in the historical evaluation of the Prophet's ﷺ life. Consistent conduct before and after the mission supports the credibility of the claimant and the reports about him.
His teaching includes practicable principles concerning worship, social relations, transactions and moral life. Steadfastness amid opposition and humility after success are relevant to this pattern.
These considerations do not replace the specific proof from miracle, but they strengthen the cumulative argument for his truthfulness.