What, after all, is the mite of wisdom that I could throw into the mass of knowledge; or how am I sure that my sagest deductions may be safe guides for the opinion of others? But in writing to amuse, if I fail, the only evil is in my own disappointment. If, however, I can by any lucky chance, in these days of evil, rub out one wrinkle from the brow of care, or beguile the heavy heart of one moment of sorrow; if I can now and then penetrate through the gathering film of misanthropy, prompt a benevolent view of human nature, and make my reader more in good humour with his fellow-beings and himself, surely, surely, I shall not then have written entirely in vain.