“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
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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“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.”
— Leonardo da Vinci Primary source“Reprove your friend in secret and praise him openly.”
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“Man cannot live by technology alone.”
— Arnold J. Toynbee Primary source“If a man owns land, the land owns him.”
— Ralph Waldo Emerson Primary source“As we must account for every idle word, so we must for every idle silence.”
— Benjamin Franklin Primary source“But man is not made for defeat. A man can be destroyed but not defeated.”
— Ernest Hemingway Primary sourceIndividualism Responsibility Praise Action