Tide

Tide

Tides are the rise and fall of sea levels caused by the combined effects of the gravitational forces exerted by the Moon and the Sun and the rotation of the Earth.

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Famous quotes containing the word tide:

    “Things fall apart; the centre cannot hold;
    Mere anarchy is loosed upon the world,
    The blood-dimmed tide is loosed, and everywhere
    The ceremony of innocence is drowned;
    The best lack all conviction, while the worst
    Are full of passionate intensity.”
    —William Butler Yeats (1865–1939)

    “The sea is calm to-night.
    The tide is full, the moon lies fair
    Upon the straits;—”
    —Matthew Arnold (1822–1888)

    “The poet who walks by moonlight is conscious of a tide in his thought which is to be referred to lunar influence.”
    —Henry David Thoreau (1817–1862)