Wall - Physiological Wall

Physiological Wall

In marathon running a runner can 'hit' 'the wall'. A point where the human brain and body feels like it cannot be pushed further or continue. Runners find this incredibly hard to break through and continue.

A wall can also refer to something that the human mind is blocking or hiding from memory but this is debatable.

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Famous quotes containing the word wall:

    “Mountain, mountain, mountain,
    marking time. Each
    nameless, wall beyond wall, wavering
    redefinition of
    horizon.”
    —Denise Levertov (b. 1923)