Summary
This quote suggests that the speaker's source of income is dishonest or unreliable. "My revenue" refers to the money the speaker earns, while "the silly cheat" portrays this as something foolish or deceitful. It implies that the speaker may not have a genuine or sustainable income, possibly engaging in dubious or deceitful activities to earn money. Overall, the quote sheds light on the questionable nature of the speaker's financial means.