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“Edison was by far the most successful and, probably, the last exponent of the purely empirical method of investigation. Everything he achieved was the result of persistent trials and experiments often performed at random but always attesting extraordinary vigor and resource. Starting from a few known elements, he would make their combinations and permutations, tabulate them and run through the whole list, completing test after test with incredible rapidity until he obtained a clue. His mind was dominated by one idea, to leave no stone unturned, to exhaust every possibility.”

“It is really laughable to see what different ideas are prominent in various naturalists' minds, when they speak of 'species'; in some, resemblance is everything and descent of little weight-in some, resemblance seems to go for nothing, and Creation the reigning idea-in some, descent is the key,-in some, sterility an unfailing test, with others it is not worth a farthing. It all comes, I believe, from trying to define the undefinable.”

“All interpretations made by a scientist are hypotheses, and all hypotheses are tentative. They must forever be tested and they must be revised if found to be unsatisfactory. Hence, a change of mind in a scientist, and particularly in a great scientist, is not only not a sign of weakness but rather evidence for continuing attention to the respective problem and an ability to test the hypothesis again and again.”

“Richard Feynman was fond of giving the following advice on how to be a genius. You have to keep a dozen of your favorite problems constantly present in your mind, although by and large they will lay in a dormant state. Every time you hear or read a new trick or a new result, test it against each of your twelve problems to see whether it helps. Every once in a while there will be a hit, and people will say, "How did he do it? He must be a genius!"”

“Mind is elusive, you cannot hold it in your hand. You cannot force it into a test-tube. The only way to know it is to know it from within, from your witnessing self. The more you become aware, the more you can watch your mind - its subtle functioning. The functioning is tremendously complex and beautiful. Mind is the most complex phenomenon on the earth, the most subtle flowering of consciousness. If you want to really understand what the mind is, then you will have to detach yourself from your mind, and you will have to learn how to be just a witness. That's what meditation is all about.”

“I think the real test of psychedelics is what you do with them when you're not on them, what kind of culture you build, what kind of art, what kind of technologies... What's lacking in the Western mind is the sense of connectivity and relatedness to the rest of life, the atmosphere, the ecosystem, the past, our children's future. If we were feeling those things we would not be practicing culture as we are.”

“Wind, weather, power, load - gradually these elements stop churning in my mind. It's less a decision of logic than a feeling, the kind of feeling that comes when you gauge the distance to be jumped between two stones across a brook. Something within you disengages itself from your body and travels ahead with your vision to make the test. You can feel it try the jump as you stand looking. Then uncertainty gives way to the conviction that it can or can't be done.”

“Either the phone is so seriously thin and flimsy that it is bendable with mere physical force, which I cannot believe given the extensive tests Apple would have done. Or -- and this is far more plausible -- somehow the energy and excitement of the 10 million people who purchased iPhones has awakened their mind powers and caused the phones to bend.”

“When I get an idea I start at once building it up in my imagination. I change the construction, make improvements and operate the device in my mind. It is absolutely immaterial to me whether I run my turbine in my thought or test it in my shop. I even note if it is out of balance.”