... But the point, what I've got it down to, is there are only two questions really worth asking. "Why are we here?" and "What should we do about it while we are? And to help you, I've got two things to leave you with, from two great philosophers, perhaps two of the greatest philosopher thinkers of the 20th century, one a mathematician and an engineer, and the other a poet.
The first is Ludwig Wittgenstein who said, "I don't know why we are here. But I'm pretty sure it's not in order to enjoy ourselves." (Laughter)
And secondly and lastly, W.H. Auden, one of my favorite poets, who said, "We are here on earth to help others. What the others are here for, I've no idea." (Laughter) (Applause)
An excerpt from TED Talk by John Lloyd - An inventory of the invisible. Filmed at TEDGlobal in July 2009.