Water
We're gonna go out on a limb (or out on a pier, perhaps) and say that water is hands-down the biggest symbol in the Tao Te Ching, where it's used to represent the great flow of the Tao itself. Over...
Horses
Until automobiles gave them the boot, horses were a totally essential part of nearly every human society, where they helped people with nearly every aspect of life. Take a look at this quote in whi...