Book 6
2.71
Nothing in life, however, he maintained, has any chance of succeeding without strenuous practice; and this is capable of overcoming anything. Accordingly, instead of useless toils men should choose such as nature recommends, whereby they might have lived happily. Yet such is their madness that they choose to be miserable. For even the despising of pleasure is itself most pleasurable, when we are habituated to it; and just as those accustomed to a life of pleasure feel disgust when they pass over to the opposite experience, so those whose training has been of the opposite kind derive more pleasure from despising pleasure than from the pleasures themselves. This was the gist of his conversation; and it was plain that he acted accordingly, adulterating currency in very truth, allowing convention no such authority as he allowed to natural right, and asserting that the manner of life he lived was the same as that of Heracles when he preferred liberty to everything.