Duyệt's informal manner caused him difficulties during Minh Mạng's administration, as the second emperor's government was more oriented towards classical Confucianism than that of his father.
Gaya Duyệt yang tidak formal menyebabkan ia mengalami kesulitan selama pemerintahan Minh Mạng, karena pemerintahan kaisar kedua tersebut lebih berorientasi pada Konfusianisme klasik daripada ayahnya.