"I guess the real reason that my wife and I had children is the same reason that Napoleon had for invading Russia: it seemed like a good idea at the time"

This quote by Bill Cosby is an amusing method of expressing the concept that sometimes we make choices without completely understanding the repercussions. The contrast to Napoleon's intrusion of Russia is a tip that even the most well-thought-out strategies can have unexpected results. The quote implies that having children is a decision that can bring happiness and fulfillment, but likewise needs a good deal of obligation and effort. It suggests that while the choice to have kids may have seemed like a great idea at the time, it is a choice that should not be ignored. Ultimately, the quote is a pointer that we ought to constantly consider the potential consequences of our choices prior to acting.