you think man! :P

Of course it's a series of responses. Thats how our brain works. The randomisation factor that creates 'new' concepts is the outside variables that affect the pattern linkages.

Shakespear didn't write anything new, or even anything that people didn't know... his language control centers and linkage efficiency (ie intelligence) were simple faster and more complex that other peoples, so he had a wider base pattern set to draw from... hence his 'creative' ability.

And babies crying are simply base reactions... the 'default' bios setting, if you will. Defined over millenia of evolution... and fairly unique to humans and other large-group social animals. Making loud noises when you're a weak infant is bad to small social groups, but it's pretty good when there are lots of stroppy adults are around to defend you :P