"Loop Quantum Gravity," The New Humanists: Science at the Edge (2003)
“…strictly speaking, tone is the relative lightness and darkness due to the effect of light governed by atmosphere, and has nothing to do with the relative lightness and darkness or relative value with which various colours appear when compared with each other.”
Source: Practical Pictorial Photography, 1898, Tone and atmoshphere, p. 47
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Alfred Horsley Hinton 64
British photographer 1863–1908Related quotes
“There is nothing in the dark that isn't there when the lights are on.”
Source: Requiem for a Dream

Source: Practical Pictorial Photography, 1898, Tone and atmoshphere, p. 40

Quote (1912), # 928, in The Diaries of Paul Klee, translation: Pierre B. Schneider, R. Y. Zachary and Max Knight; publisher, University of California Press, 1964
1911 - 1914
“It is absurd in general relativity to speak of a universe in which nothing happens.”
Three Roads to Quantum Gravity (2000)

Section 1 : The Meaning of Life
Founding Address (1876), Life and Destiny (1913)
Context: Here are two kinds of light, the light on the hither side of the darkness and the light beyond the darkness. We must press on through the darkness and the terror of it if we would reach the holier light beyond.
We are here — no matter who put us here, or how we came here — to fulfil a task. We cannot afford to go of our own volition until the last item of our duty is discharged.