1. Heat oven to 350 degree F. With a small, sharp knife, cut slits into all sides of pork and insert slivers of garlic into each. Brush all sides with oil; sprinkle with salt and pepper. Place rosemary and sage under the string all around the roast. Transfer pork to a small roasting pan. Roast pork 1 hour and 45 minutes, until a meat thermometer inserted in center of pork reaches 160 degree F.
2. Transfer pork to cutting board. Let stand 15 minutes before slicing. Garnish with herbs. Makes 8 servings.