" But when I saw these sleek, shiny carcasses shimmering in the sunlight as they emerged from the ocean, shaking their giant heads; when I saw the waters roll from their sinuous bodies in miniature waterfalls as they glided hither and thither, now upon the surface, now half submerged; as I saw them meet, open-mouthed, hissing and snorting, in their titanic and interminable warring I realized how futile is man’s poor, week imagination by comparison with Nature’s incredible genius. "

― Edgar Rice Burroughs , At the Earth's Core (Pellucidar #1)