The Tao is a fundamental idea in most Chinese philosophical schools; in Taoism, however, it denotes the principle that is the source, pattern and substance of everything that exists.
Who the heck put that there anyway?! Cry. Ouchie! Why does this happen to me? Curse and go on with my day Attack whatever you stubbed your toe on. IT WILL PAY! You shout a few horrid curses as you clench your fist.