원문 (영어)

INTRODUCTION. By Constant. The career of a man compelled to make his own way, who is not an artisan or in some trade, does not usually begin till he is about twenty years of age. Till then he vegetates, uncertain of his future, neither having, nor being able to have, any well-defined purpose. It is only when he has arrived at the full development of his powers, and his character and bent of mind are shown, that he can determine his profession or calling. Not till then does he know