A Duration is the actualization of 'qualitative' rather than a 'quantitative' multiplicity.
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Duration is what differs with itself. Matter on the contrary, is what does not differ with itself, what repeats.
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Duration is the continuous progress of the past which gnaws into the future and which swells as it advances.
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Duration is a mode under which we conceive of that thing as long as it continues to exist.
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Duration is an attribute or mode of the being of things, while time is a subjective mode used as a measure for motion, with duration being held to be prior to time.
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Duration is the notion that the past in its entirety is prolonged into the present and abides there actual and acting.
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