![Leonardo da Vinci – Nature is the source of all true knowledge. She has her own logic, her own laws, she has no effect without cause nor invention without necessity Leonardo da Vinci – Nature is the source of all true knowledge. She has her own logic, her own laws, she has no effect without cause nor invention without necessity](https://inspirational.b-cdn.net/wp-content/uploads/2014/05/Leonardo-da-Vinci-Nature-is-the-source-of-all-true-knowledge.-She-has-her-own-logic-her-own-laws-she-has-no-effect-without-cause-nor-invention-without-necessity-686x440.jpg)
![Leonardo da Vinci – Nature is the source of all true knowledge. She has her own logic, her own laws, she has no effect without cause nor invention without necessity Leonardo da Vinci – Nature is the source of all true knowledge. She has her own logic, her own laws, she has no effect without cause nor invention without necessity](https://inspirational.b-cdn.net/wp-content/themes/Quotes/images/singleicon.png)
Nature is the source of all true knowledge. She has her own logic, her own laws, she has no effect without cause nor invention without necessity.
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Nature is the source of all true knowledge. She has her own logic, her own laws, she has no effect without cause nor invention without necessity.