Place diced pears into a large bowl and toss gently with the lime juice. Place a medium pot of water on the stove to boil. In the meantime, shuck the corn and cut the kernels off of each cob with a sharp knife. Once the water is boiling, slide all of the corn into the pot and cook for one minute. Transfer the corn in a colander and rinse with cold water to stop the cooking and set aside to drain. Stack the basil leaves into two piles of ten each. Roll each pile up from the base like a cigar and slice into ⅛-inch strips. Unfurl into a pile of perfectly sliced basil. Add the corn, diced berries, sliced basil, and salt to the bowl with the pears and toss together gently. Serve the salad immediately.