four
o’clock
But the attack would return as soon as the mechanical effect of the injection should cease . He could predict it almost within a few minutes . Thanks to the injections he would have three attacks more . The third would carry him off ; he would die at four o'clock . Then , while his voice grew gradually weaker , in a last outburst of enthusiasm , he apostrophized the courage of the heart , that persistent life maker , working ceaselessly , even during sleep , when the other organs rested . `` Ah , brave heart ! how heroically you struggle !