Wikipedia say's it's from a Man called David Kellogg Lewis (September 28, 1941 – October 14, 2001); an American philosopher, so...From Plato and Socrates until you get to 2001 there is a lot of stuff to learn, indeed...
<Warning, humor ahead, your are free to skip it>...
</humor> I will let to master it after lunch, before back to the office </humor>
Wikipedia say's it's from a Man called David Kellogg Lewis (September 28, 1941 – October 14, 2001); an American philosopher, so...From Plato and Socrates until you get to 2001 there is a lot of stuff to learn, indeed...
<Warning, humor ahead, your are free to skip it>...
</humor> I will let to master it after lunch, before back to the office </humor>