Knife

Knife

A knife (plural knives) is a cutting tool with an exposed cutting edge or blade, hand-held or otherwise, with or without a handle. Knife-like tools were used at least two-and-a-half million years ago, as evidenced by the Oldowan tools. Originally made of rock, flint, and obsidian, knives have evolved in construction as technology has, with blades being made from bronze, copper, iron, steel, ceramics, and titanium. Many cultures have their unique version of the knife. Due to its role as humankind's first tool, certain cultures have attached spiritual and religious significance to the knife.

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Famous quotes containing the word knife:

    They warsled up, they warsled down,
    Till Sir John fell to the ground,
    And there was a knife in Sir Willie’s pouch,
    Gied him a deadlie wound.
    Unknown. The Twa Brothers (l. 5–8)

    Come, thick night,
    And pall thee in the dunnest smoke of hell,
    That my keen knife see not the wound it makes,
    Nor heaven peep through the blanket of the dark
    To cry, “Hold, hold!”
    William Shakespeare (1564–1616)

    The screaming silence of no’s knife in yes’s wound.
    Samuel Beckett (1906–1989)