Where do they come from?
The brain is complex, of that there's no doubt.
Neurons, synapses, dendrites and axions, all woven together
to make up our brain.
Somehow, from this complex mess we emerge, our consciousness our mind, all this projected to the universe to do what it will.
The mind once turned on starts to think, ideas do emerge from the brains complexity.
Ideas just pop into existence seemingly with no effort from us.
How does that happen?
Is it just a compilation of our experiences jumbled up to create what we think, to pop up ideas?
Is it possible our brain is a complex receiver, ideas
being projected from another realm?
Since we don't know what's possible, anything is possible!
But, it does make you think!