The engine is the heart of an aeroplane, but the pilot is its soul. Walter Alexander Raleigh More Quotes by Walter Alexander Raleigh More Quotes From Walter Alexander Raleigh In an examination those who do not wish to know ask questions of those who cannot tell. Walter Alexander Raleigh wish science knowledge The cavalry, in particular, were not friendly to the aeroplane, which it was believed, would frighten the horses. Walter Alexander Raleigh air-power horse friendly