191
Again, we know that men who are less generously endowed by nature but excel in experience and practice, not only improve upon themselves, but surpass others who, though highly gifted, have been too negligent of their talents. It follows, therefore, that either one of these factors may produce an able speaker or an able man of affairs, but both of them combined in the same person might produce a man incomparable among his fellows.
192
These, then, are my views as to the relative importance of native ability and practice. I cannot, however, make a like claim for education; its powers are not equal nor comparable to theirs. For if one should take lessons in all the principles of oratory and master them with the greatest thoroughness, he might, perhaps, become a more pleasing speaker than most, but let him stand up before the crowd and lack one thing only, namely, assurance, and he would not be able to utter a word.
193
But let no one of you think that before you I belittle my pretensions, while when I address those who desire to become my pupils I claim every power for my teaching; for it was to avoid just such a charge as this that, when I entered upon my profession, I wrote and published a discourse in which you will find that I attack those who make pretensions which are unwarranted, and set forth my own ideas.