Although many believe meditation means sitting motionless in a quiet room, it's important to remember that meditation can be done anytime, anywhere. Metta meditation is particularly easy to do in noisy and crowded urban areas, and teachers like Sharon Salzberg encourage students to practice it while walking down the street. As you notice a living being nearby, you silently say to them, "May you be safe" or "May you be happy". You can do it when you see a human walking near you, or when you hear a bird chirping. You can als