Than Quotes (page 224)

Predictions are uttered by prophets (free of charge); by clairvoyants (who usually charge a fee, and are therefore more honored in their day than prophets); and by futurologists (salaried). Prediction is the business of prophets, clairvoyants, and futurologists. It is not the business of novelists. A novelist's business is lying.
Ursula K. Le Guin

After all, let a man take what pains he may to hush it down, a human soul is an awful ghostly, unquiet possession, for a bad man to have. Who knows the metes and bounds of it? Who knows all it's awful perhapses, -those shudderings and temblings, which it can no more live down than it can outlive its own eternity! What a fool is he who locks his door to keep out spirits, who has in his own bosom a spirit he dares not meet alone, -whose voice, smothered far down, and piled over with...
Harriet Beecher Stowe