Some questions are so profound that most people will only stare back at you with a deer-in-headlights look if you ask them. Things like, what is love? If a tree falls in the woods, does it make a sound?
And if you ask the super computer from The Hitchhiker's Guide to the Galaxy, of course the answer to the ultimate question to life, the universe, and everything is 42 - of course, it would help if you knew what the question was to begin with.
However, when Cosmos host Neil deGrasse Tyson was posed the very difficult question of "What is the meaning of life?" by a 6-year old, instead of sidestepping his way out of the conversation, he replied with the most appropriate, thought-provoking response that answered the question, not only for a kindergartener, but for all of us as well.