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The real test of ‘knowledge’ is not whether it is true, but whether it empowers us. Scientists usually assume that no theory is 100 per cent correct. Consequently, truth is a poor test for knowledge. The real test is utility. A theory that enables us to do new things constitutes knowledge.
Sapiens
Yuval Noah Harari
#12—What might I put in place to allow me to go off the grid for 4 to 8 weeks, with no phone or email?
Tools of Titans
Timothy Ferriss
The fifth time Wang Miao logged on to Three Body, it was dawn as usual, but the world was unrecognizable. The great pyramid that had appeared the first four times had been destroyed by the tri-solar syzygy. In its place was a tall, modern building, whose dark gray shape was familiar to Wang: the United Nations Headquarters. In the distance were many more tall buildings, apparently dehydratories. All had completely reflective mirror surfaces. In the dawn light they appeared as giant crystal plants growing out of the ground. Wang heard a violin playing something by Mozart. The playing wasn’t very practiced, but there was a special charm to it, as though saying: I play for myself. The violinist was a homeless old man sitting on the steps in front of the UN Headquarters, his fluffy silver hair fluttering in the wind. Next to his feet was an old top hat containing some scattered change. Wang suddenly noticed the sun. But it rose in the opposite direction from the dawn light, and the patch of the sky around it was still completely dark. The sun was very large, its half-risen disk taking up a third of the horizon. Wang’s heart beat faster: Such a large sun could only mean another great catastrophe. But when Wang turned around, the old man continued to play as though nothing odd was happening. His silver hair shone brilliantly in the sun, as though it was on fire.
The Three-Body Problem
Cixin Liu and Ken Liu
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