CRATYLUS: I believe that to be both the only and the best sort of information about them; there can be no other.
SOCRATES: But do you believe that in the discovery of them, he who discovers the names discovers also the things; or is this only the method of instruction, and is there some other method of enquiry and discovery.
CRATYLUS: I certainly believe that the methods of enquiry and discovery are of the same nature as instruction.
SOCRATES: Well, but do you not see, Cratylus, that he who follows names in the search after things, and analyses their meaning, is in great danger of being deceived?
CRATYLUS: How so?
SOCRATES: Why clearly he who first gave names gave them according to his conception of the things which they signified—did he not?
CRATYLUS: True.
SOCRATES: And if his conception was erroneous, and he gave names according to his conception, in what position shall we who are his followers find ourselves? Shall we not be deceived by him?
CRATYLUS: But, Socrates, am I not right in thinking that he must surely have known; or else, as I was saying, his names would not be names at all? And you have a clear proof that he has not missed the truth, and the proof is—that he is perfectly consistent. Did you ever observe in speaking that all the words which you utter have a common character and purpose?
SOCRATES: But that, friend Cratylus, is no answer. For if he did begin in error, he may have forced the remainder into agreement with the original error and with himself; there would be nothing strange in this, any more than in geometrical diagrams, which have often a slight and invisible flaw in the first part of the process, and are consistently mistaken in the long deductions which follow. And this is the reason why every man should expend his chief thought and attention on the consideration of his first principles:—are they or are they not rightly laid down? and when he has duly sifted them, all the rest will follow. Now I should be astonished to find that names are really consistent. And here let us revert to our former discussion: Were we not saying that all things are in motion and progress and flux, and that this idea of motion is expressed by names? Do you not conceive that to be the meaning of them?