What is it, what nameless, inscrutable, unearthly thing is it; what cozening, hidden lord and master, and cruel, remorseless emperor commands me; tha… - Herman Melville

That over these sea pastures, wide rolling watery prairies, and Potters' Fields of all four continents, the waves should rise and fall, and ebb and flow unceasingly; for here, millions of mixed shades and shadows, drowned dreams, somnambulisms, reveries; all that we call lives and souls lie dreaming, dreaming, still; tossing like some slumberers in their beds; the ever rolling waves but made so by the restlessness.

The morning was one peculiar to that coast. Everything was mute and calm; everything gray. The sea, though undulated into long roods of swells, seemed fixed, and was sleeked at the surface like waved lead that has cooled and set in the smelter's mould. The sky seemed a gray surtout. Flights of troubled gray fowl, kith and kin with flights of troubled gray vapors among which they were mixed, skimmed low and fitfully over the waters, as swallows over meadows before storms. Shadows present, foreshadowing deeper shadows to come.

"I will have no man in my boat," said Starbuck, "who is not afraid of a whale." By this, he seemed to mean, not only that the most reliable and useful courage was that which arises from the fair estimation of the encountered peril, but that an utterly fearless man is a far more dangerous comrade than a coward.
(moby dick chap 26 p112)