Friday, January 24, 2014

On Light


Most people think that shadows follow, precede, or surround beings or objects. The truth is that they also surround words, ideas, desires, deeds, impulses and memories.
— Elie Wiesel, writer, Nobel laureate (b. 1928)


There are two kinds of light  the glow that illuminates, and the glare that obscures.
— James Thurber, writer and cartoonist (1894-1961)


Shadow is the absence of light, merely the obstruction of the luminous rays by an opaque body. Shadow is of the nature of darkness. Light [on an object] is of the nature of a luminous body; one conceals and the other reveals. They are always associated and inseparable from all objects. But shadow is a more powerful agent than light, for it can impede and entirely deprive bodies of their light, while light can never entirely expel shadow from a body, that is from an opaque body.
— From the Notebooks of Leonardo da Vinci (1565, page 119)

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