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" The human eye has three kinds. One type excels at detecting red and associated wavelengths. One is tuned to blue. The other optimally perceives light of two colors: purple and yellow. The human eye is superbly equipped to detect these colors and send a signal pulsing to the brain. This doesn’t explain why I perceive them as beautiful, but it does explain why that combination gets my undivided attention. I asked my artist buddies about the power of purple and gold, and they sent me right to the color wheel: these two are complementary colors, as different in nature as could be. In composing a palette, putting them together makes each more vivid; just a touch of one will bring out the other. In an 1890 treatise on color perception, Goethe, who was both a scientist and a poet, wrote that “the colors diametrically opposed to each other . . . are those which reciprocally evoke each other in the eye.” Purple and yellow are a reciprocal pair. "
― Robin Wall Kimmerer , Braiding Sweetgrass: Indigenous Wisdom, Scientific Knowledge, and the Teachings of Plants
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" When Nanabozho, the Anishinaabe Original Man, our teacher, part man, part manido, walked through the world, he took note of who was flourishing and who was not, of who was mindful of the Original Instructions and who was not. He was dismayed when he came upon villages where the gardens were not being tended, where the fishnets were not repaired and the children were not being taught the way to live. Instead of seeing piles of firewood and caches of corn, he found the people lying beneath maple trees with their mouths wide open, catching the thick, sweet syrup of the generous trees. They had become lazy and took for granted the gifts of the Creator. They did not do their ceremonies or care for one another. He knew his responsibility, so he went to the river and dipped up many buckets of water. He poured the water straight into the maple trees to dilute the syrup. Today, maple sap flows like a stream of water with only a trace of sweetness to remind the people both of possibility and of responsibility. And so it is that it takes forty gallons of sap to make a gallon of syrup.* * Adapted from oral tradition and Ritzenthaler and Ritzenthaler, 1983. "
― Robin Wall Kimmerer , Braiding Sweetgrass: Indigenous Wisdom, Scientific Knowledge, and the Teachings of Plants