
In recent years this has often been misquoted as: "Patience and perseverance have a magical effect before which difficulties disappear and obstacles vanish".
Oration at Plymouth (1802)
Context: Courage and perseverance have a magical talisman, before which difficulties disappear and obstacles vanish into air. These qualities have ever been displayed in their mightiest perfection, as attendants in the retinue of strong passions.