From How to Think Like Leonardo da Vinci: Seven Steps to Genius Every Day, by Michael J. Gelb (Dell Publishing, New York, NY, 1998: ISBN # 0-440-50827-4):
The Seven Da Vincian Principles (or things to incorporate to enable and nurture the genius in yourself):
Curiosità — An insatiably curious approach to life and an unrelenting quest for continuous learning.
Dimostrazione — A commitment to test knowledge through experience, persistence, and a willingness to learn from mistakes.
Sensazione — The continual refinement of the senses, especially sight, as the means to enliven experience.
Sfumato (literally “Going Up in Smoke”) — A willingness to embrace ambiguity, paradox, and uncertainty.
Arte/Scienza — The development of the balance between science and art, logic and imagination. “Whole-brain” thinking.
Corporalita — The cultivation of grace, ambidexterity, fitness, and poise.
Connessione — A recognition of and appreciation for the interconnectness of all things and phenomena. Systems thinking.