Leonardo Da Vinci Quotes: Practice should always be based upon a sound knowledge of theory. ...

Practice should always be based upon a sound knowledge of theory. (Leonardo Da Vinci)

Leonardo Da Vinci Quotes Pictures

Leonardo Da Vinci Quotes: Practice should always be based upon a sound knowledge of theory.

Leonardo Da Vinci Quotes: Practice should always be based upon a sound knowledge of theory.

Leonardo Da Vinci Quotes: Practice should always be based upon a sound knowledge of theory.

Leonardo Da Vinci Quotes: Practice should always be based upon a sound knowledge of theory.

Leonardo Da Vinci Quotes: Practice should always be based upon a sound knowledge of theory.

Leonardo Da Vinci Quotes: Practice should always be based upon a sound knowledge of theory.

Leonardo Da Vinci Quotes: Practice should always be based upon a sound knowledge of theory.

Leonardo Da Vinci Quotes: Practice should always be based upon a sound knowledge of theory.

Leonardo Da Vinci Quotes: Practice should always be based upon a sound knowledge of theory.

Leonardo Da Vinci Quotes: Practice should always be based upon a sound knowledge of theory.

Leonardo Da Vinci Quotes: Practice should always be based upon a sound knowledge of theory.

Leonardo Da Vinci Quotes: Practice should always be based upon a sound knowledge of theory.

Leonardo Da Vinci Quotes: Practice should always be based upon a sound knowledge of theory.

Leonardo Da Vinci Quotes: Practice should always be based upon a sound knowledge of theory.

Leonardo Da Vinci Quotes: Practice should always be based upon a sound knowledge of theory.