“Study without desire spoils the memory, and it retains nothing that it takes in.”
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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“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“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“Truth was the only daughter of Time.”
— Leonardo da Vinci Primary sourceMore quotes by Leonardo da Vinci →
“Nothing in life is so exhilarating as to be shot at without result.”
— Winston Churchill Primary source“Without justice courage is weak.”
— Benjamin Franklin Primary source“I would study, I would know, I would admire forever.”
— Ralph Waldo Emerson Primary source“No gains without pains.”
— Benjamin Franklin Primary source