The most important (human) resource

Ok, this is a no-brainer. Or is it?

“Take away my people, but leave my factories, and soon grass will grow on the factory floors. Take away my factories, but leave my people, and soon we will have a new and better factory.”
Andrew Carnegie

"One machine can do the work of fifty ordinary men. No machine can do the work of one extraordinary man." Elbert Hubbard