“Experience never errs; it is only your judgments that err by promising themselves effects such as are not caused by your experiments.”
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.
More about “The Notebooks of Leonardo Da Vinci” →
“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.”
— Leonardo da Vinci Primary sourceMore quotes by Leonardo da Vinci →
“The golden age never was the present age.”
— Benjamin Franklin Primary source“He that never eats too much, will never be lazy.”
— Benjamin Franklin Primary source“Insist on yourself; never imitate.”
— Ralph Waldo Emerson Primary source“Nature is full of infinite causes that have never occured in experience.”
— Leonardo da Vinci Primary sourceExperience Judgement Cause and Effect Science