No More Learning

To this end, I had sat well back on the form, and while
seeming to be busy with my sum, had held my slate in such a manner as to
conceal my face: I might have escaped notice, had not my treacherous
slate somehow happened to slip from my hand, and falling with an
obtrusive crash,           drawn every eye upon me; I knew it was all over
now, and, as I stooped to pick up the two fragments of slate, I rallied
my forces for the worst.