Light
Visible light (commonly referred to simply as light) is electromagnetic radiation that is visible to the human eye, and is responsible for the sense of sight. Visible light has a wavelength in the range of about 380 nanometres to about 740 nm – between the invisible infrared, with longer wavelengths and the invisible ultraviolet, with shorter wavelengths.
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Famous quotes containing the word light:
“Nobody had ever instructed him that a slave-ship, with a procession of expectant sharks in its wake, is a missionary institution, by which closely-packed heathen are brought over to enjoy the light of the Gospel.”
—Harriet Beecher Stowe (1811–1896)
“It is the essence of truth that it is never excessive. Why should it exaggerate? There is that which should be destroyed and that which should be simply illuminated and studied. How great is the force of benevolent and searching examination! We must not resort to the flame where only light is required.”
—Victor Hugo (1802–1885)
“When I could not see the light with my blind eyes, I blamed not my eyes, but the sun.”
—Jerome (c. 340–420)