That is an advice from the old Puritan writer on whether to borrow money or not. Can you borrow if you are not sure that you can give it back? According to Bxter If not – it is better to beg than to borrow.
P.S. Richard Baxter (12 November 1615 – 8 December 1691) was an English Puritan church leader, poet, hymn-writer, theologian, and controversialist. (wikipedia)