Nathan the Wise http://www.gutenberg.org/dirs/etext03/natws10.txt (1779), Act II, scene II
“Borrowing is not much better than begging; just as lending with interest is not much better than stealing.”
            I, who ne'er
Went for myself a begging, go a borrowing,
And that for others. Borrowing's much the same
As begging; just as lending upon usury
Is much the same as thieving. 
Gotthold Ephraim Lessing, Nathan the Wise (1779), Act II, scene II  http://www.gutenberg.org/dirs/etext03/natws10.txt 
Misattributed
        
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Doris Lessing 94
British novelist, poet, playwright, librettist, biographer … 1919–2013Related quotes
“It's better to give than to lend, and it costs about the same.”
England Speaks http://books.google.com/books?id=bCMrAAAAIAAJ&q=%22It's+better+to+give+than+to+lend+and+it+costs+about+the+same%22&pg=PA328#v=onepage (1935)
                                        
                                        “An Unread Book”, p. 50 
The Third Book of Criticism (1969)
                                    
                                        
                                        Epigram, sometimes attributed to John Bromfield 
Other
                                    
                                        
                                         The Barbarians at the Gates of Paris http://www.city-journal.org/html/12_4_the_barbarians.html (Autumn 2002). 
City Journal (1998 - 2008)
                                    
“One person with passion is better than forty people merely interested.”
                                        
                                        "Plutarch's Lives," Vol 1, Barnes & Noble Inc., 2006, Lysander p. 646 
Translation from Greek originalː "τὸ ἀληθὲς οὐ φύσει τοῦ ψεύδους κρεῖττον ἡγούμενος, ἀλλ' ἑκατέρου τῇ χρείᾳ τὴν τιμὴν ὁρίζων."