“He who thinks little, errs much.”
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“He who does not punish evil commands it to be done.”
— 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 sourceMore quotes by Leonardo da Vinci →
“Alone we can do so little; together we can do so much.”
— Helen Keller Disputed“He that never eats too much, will never be lazy.”
— Benjamin Franklin Primary source“Little strokes fell great oaks.”
— Benjamin Franklin Primary source“We never repent of having eaten too little.”
— Thomas Jefferson Primary source