Regret has often been expressed that Burns spent so much time and thought on writing his songs, and, in this way, diverted his energies from higher aims. Sir Walter has said, "Notwithstanding the spirit of many of his lyrics, and the exquisite sweetness and simplicity of others, we cannot but deeply regret that so much of his time and talents was frittered away in compiling and composing for musical collections. There is sufficient evidence that even the genius of Burns could not support him in the monotonous task of writing love-verses, on heaving bosoms and sparkling eyes, and twisting them into such rhythmical forms as might suit the capricious evolutions of Scotch reels and strathspeys." Even if Burns, instead of continual song-writing during the last eight years of his life, had concentrated his strength on "his grand plan of a dramatic composition" on the subject of Bruce's adventures, it may be doubted whether he would have done so much to enrich his country's literature as he has done by the songs he composed. But considering how desultory his habits (p. 161) became, if Johnson and Thomson had not, as it were, set him a congenial task, he might not have produced anything at all during those years. There is, however, another aspect in which the continual composition of love-ditties must be regretted. The few genuine love-songs, straight from the heart, which he composed, such as _Of a' the Airts_, _To Mary in Heaven_, _Ye Banks and Braes_, can hardly be too highly prized. But there are many others, which arose from a lower and fictitious source of inspiration. He himself tells Thomson that when he wished to compose a love-song, his recipe was to put himself on a "regimen of admiring a beautiful woman." This was a dangerous regimen, and when it came to be often repeated, as it was, it cannot have tended to his peace of heart, or to the purity of his life.