Hwaseung R&A Co. Ltd. options quotes data for sells and puts, including 378850.KR last price, change and volume.35 Famous Mark Twain Quotes to Inspire You (2021 35 Famous Mark Twain Quotes. 1. It is better to keep your mouth closed and let people think you are a fool than to open it and remove all doubt. Mark Twain. 2. Action speaks louder than words but not nearly as often.