Living with the consequences.http://blogs.msdn.com/b/jmstall/archive/2006/02/10/e-pi-i-equals-minus-1.aspxSometimes we think we can make a decision, but it turns out the decision is already made for us by the consequence of earlier choices.
Mathematics is filled with great examples. One of my favorites is: e πi = -1 (that's e^pi*i == -1). (See proof fromen-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)