As the boy rarely had any money to buy books, he would often borrow from the booksellers' clerks, and read in his little bedroom nearly all night, being obliged to return the books before the shop was opened in the morning. Finally, a Boston merchant, who came to the printing-office, noticed the lad's thirst for knowledge, took him home to see his library, and loaned him some volumes. Blessings on those people who are willing to lend knowledge to help the world upward, despite the fact that book-borrowers proverbially have short memories, and do not always take the most tender care of what they borrow. When Benjamin was fifteen, he wrote a few ballads, and his brother James sent him about the streets to sell them. This the father wisely checked by telling his son that poets usually are beggars, a statement not literally true, but sufficiently near the truth to produce a wholesome effect upon the young verse-maker. The boy now devised a novel way to earn money to buy books. He had read somewhere that vegetable food was sufficient for health, and persuaded James, who paid the board of his apprentice, that for half the amount paid he could board himself. Benjamin therefore attempted living on potatoes, hasty pudding, and rice; doing his own cooking,--not the life most boys of sixteen would choose. His dinner at the printing-office usually consisted of a biscuit, a handful of raisins, and a glass of water; a meal quickly eaten, and then, O precious thought! there was nearly a whole hour for books. He now read Locke on "Human Understanding," and Xenophon's "Memorable Things of Socrates." In this, as he said in later years, he learned one of the great secrets of success; "never using, when I advanced anything that may possibly be disputed, the words _certainly_, _undoubtedly_, or any others that give the air of positiveness to an opinion; but rather say, I conceive or apprehend a thing to be so and so; it appears to me, or _I should think it so or so_, for such and such reasons; or, _it is so_, if _I am not mistaken_.... I wish well-meaning, sensible men would not lessen their power of doing good by a positive, assuming manner, that seldom fails to disgust, tends to create opposition, and to defeat every one of those purposes for which speech was given to us, to wit, giving or receiving information or pleasure.... To this habit I think it principally owing that I had early so much weight with my fellow-citizens, when I proposed new institutions or alterations in the old, and so much influence in public councils when I became a member; for I was but a bad speaker, never eloquent, subject to much hesitation in my choice of words, and yet I generally carried my points." A most valuable lesson to be learned early in life.