“All our knowledge has its origin in our perceptions.”
Leonardo da Vinci (verified)
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 (verified)“Wisdom is the daughter of experience.”
— Leonardo da Vinci (verified)“Reprove your friend in secret and praise him openly.”
— Leonardo da Vinci (verified)“Necessity is the mistress and guide of nature.”
— Leonardo da Vinci (verified)More quotes by Leonardo da Vinci →
“Approve not of him that commends all you say.”
— Benjamin Franklin (verified)“You may be too cunning for one, but not for all.”
— Benjamin Franklin (verified)“You may delay, but time will not.”
— Benjamin Franklin (verified)“Where there is shouting, there is no true knowledge.”
— Leonardo da Vinci (unverified)