My curiosity to see the melancholy spectacle of the executions was so strong that I could not resist it, although I was sensible that I would suffer much from it.... I got upon a scaffold near the fatal tree so that I could clearly see all the dismal scene.... I was most terribly shocked, and thrown into a very deep melancholy.
The heart of Boswell: six journals in one volume (ed. McGraw-Hill Companies, 1981)