《周书·列传·卷三十》
窦毅性格温和，经常谨慎从事自守节操，又娶太祖第五女襄阳公主为妻，特别被朝廷所委任信赖。
毅性温和，每以谨慎自守，又尚太祖第五女襄阳公主，特为朝廷所委信。
Dou Yi was mild-tempered and always cautious and self-disciplined. He also married the Emperor Taizu's fifth daughter, Princess Xiangyang, and was especially trusted and relied upon by the imperial court.