Jowett: excess of pleasure

Pro. I understand you, and see that there is a great difference between them ; the temperate are restrained by the wise man’s aphorism of "Never too much," which is their rule, but excess of pleasure possessing the minds of fools and wantons becomes madness and makes them shout with delight. PHILEBUS  

I perceive, I said, that you have or have had experiences of this sort, and I agree. But let me ask you another question : Has excess of pleasure any affinity to temperance ? THE REPUBLIC   BOOK III