Like any good character, you don't begin life as a pandaren as a blank slate. No, your very first login greets you with a quest warning you of an unassailable truth: You have Much to Learn. Thankfully, it doesn't take a great deal of heroic effort to complete the quest. Just trot down the hill and speak to Master Shang Xi.
Master Shang Xi, a monk, wastes no time in warning you that your life won't be filled with bare-fisted shenanigans, despite what movies may have said about martial artists. You must learn The Lesson of the Iron Bough. Run down the hill and grab a training staff from the (many) weapon racks. Equip it, and return to Master Shang Xi.
Master Shang Xi congratulates you for your mastery of the "hold a stick" technique and sends you off to beat up some training dummies. Despite the presence of a big, honking stick, this training time is called The Lesson of the Sandy Fist. Don't worry about the Training Targets attacking back; despite many hours drunkenly threatening them with my stick, they never killed me. It was close a couple of times, but since the targets never actually attack, I was safe.