Sophistry, said this imprudent teacher, is at the bottom of all human pleasure or pain.

Therefore, quicken and multiply your sophisms and you quicken and multiply your own pleasure or your own pain.

It is possible that the whole science of life consists in obscuring the truth.

The word is a very profound matter in which inexhaustible treasure is concealed for the man who knows how to use it.
The Greeks, who were artists in words, were the most refined voluptuaries of antiquity.

The sophists flourished in the greatest number during the age of Pericles, the Golden Age of pleasure.
This germ had found a favourable soil in the unhealthy culture of the young man's mind.