The Notebooks of Leonardo Da Vinci (Primary source)
The Notebooks of Leonardo da Vinci, translated by Jean Paul Richter, is a thematic anthology of Leonardo’s writings on art, science, anatomy, engineering, and philosophy—revealing the genius’s insights, observations, and inventions through his own reflective and analytical prose.
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“A man is worthy of praise or blame solely on account of those actions which lie within his power to do or not to do.”
— Leonardo da Vinci Primary source“Wisdom is the daughter of experience.”
— Leonardo da Vinci Primary source“Any one who in discussion relies upon authority uses, not his understanding, but rather his memory.”
— Leonardo da Vinci Primary source“Just as iron rusts unless it is used, and water putrifies or, in cold, turns to ice, so our intellect spoils unless it is kept in use.”
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“He that is rich need not live sparingly, and he that can live sparingly, need not be rich.”
— Benjamin Franklin Primary source“There is no little enemy.”
— Benjamin Franklin Primary source“Every day above earth is a good day.”
— Ernest Hemingway Primary source“He that can have patience can have what he will.”
— Benjamin Franklin Primary source