Sextus Empiricus Pyrrhoniae Hypotyposes 2.16.211

[211] Thus, for instance, to take a ridiculous case, suppose that one wished to ask someone whether he had met a man riding a horse and leading a dog and put the question in this form—‟O rational mortal animal, receptive of intelligence and science, have you met with an animal capable of laughter, with broad nails and receptive of political science, ¹ a with his (posterior) hemispheres seated on a mortal animal capable of neighing, and leading a four-footed animal capable of barking?”—how would one be otherwise than ridiculous, in thus reducing the man to speechlessness concerning so familiar an object because of one’s definitions?

So then we must declare that, so far as we may judge by this, the definition is useless,