#brightness

For both reasons, owing to the thermal motion and to the working together of various wavelengths, factors arise which, in a similar manner to the structural factor, exert some influence upon the brightness of the interference points but not upon their location. ↗

— Max von Laue

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#both #brightness #exert #factor #factors

Courage is sometimes frail as hope is frail: a fragile shoot between two stones that grows brave toward the sun though warmth and brightness fail, striving and faith the only strength it knows. ↗

— Frances Rodman

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#brave #brightness #courage #fail #faith

Happiness is a sunbeam which may pass through a thousand bosoms without losing a particle of its original ray; nay, when it strikes on a kindred heart, like the converged light on a mirror, it reflects itself with redoubled brightness. It is not perfected till it is shared. ↗

— Jane Porter

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#brightness #happiness #heart #itself #kindred