Burns's Brother Gilbert, a man of much sense and worth, has told me that Robert, in his young days, in spite of their hardship, was usually the gayest of speech; a fellow of infinite frolic, laughter, sense and heart; far pleasanter to hear there, stript cutting peats in the bog, or such like, than he ever afterwards knew him. I can well believe it. This basis of mirth, a primal element of sunshine and joyfulness, coupled with his other deep and earnest qualities, is one of the most attractive characteristics of Burns. A large fund of Hope dwells in him; spite of his tragical history, he is not a mourning man. He shakes his sorrows gallantly aside; bounds forth victorious over them.
Heroes and Hero-Worship (1840) - The Hero as Man of Letters