about four o'clock
He speaks English better than many of his countrymen , but you will find it a little broken . When will it be convenient that I should send him over to you ? '' `` To-morrow afternoon , sir , if you please . '' `` He shall come to you about four o'clock , and you shall see what you can make of him . '' With this promise he took his leave . I felt glad of an opportunity of instructing a native of that land whose wrongs and injuries had often caused me to sigh and mourn ; the more so , when I reflected _ who _ had been the aggressors . At the appointed hour my Negro disciple arrived .