The best source I find for quotes is on famousquotes.com. To search your person (in this case Leonardo Da Vinci) click on advanced search under the FIND category and fill out your specifications. You will find the exact link below!
Asked in Leonardo da Vinci, Patents and Patent Law
What was Leonardo da vincis flying machine called?
a flying machine.
Asked in Helicopters
Why didn't Leonardo da vincis helicopter need a tail roter?
It did, he just didn't realize it.
Asked in Leonardo da Vinci
How does Leonardo da vincis technique of sfumato work?
It creates a gentle transition from one image to another by outlining them in a fine haze. ...
Asked in Leonardo da Vinci, Famous Artworks
What is the name of Leonardo da vincis famous smiling painting?
It is The Mona Lisa, an oil on panel painted circa 1505 and at the Louvre in Paris. ...