Jigoro Kano's Five Principles of Judo: 1. Carefully observe oneself and one's situation, carefully observe others, and carefully observe one's environment, 2. Seize the initiative in whatever you undertake, 3. Consider fully, act decisively, 4. Know when to stop, 5. Keep to the middle.
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Observation is the generative act in scientific discovery. For all its aberrations, the evidence of the senses is essentially to be relied upon-provided we observe nature as a child does, without prejudices and preconceptions, but with that clear and candid vision which adults lose and scientists must strive to regain.
Peter Medawar
Now when an American has an idea, he directly seeks a second American to share it. If there be three, they elect a president and two secretaries. Given four, they name a keeper of records, and the office is ready for work; five, they convene a general meeting, and the club is fully constituted.
Jules Verne