How do we define consciousness, or what has been called the human soul or the spirit, if it can't be quantified as matter or a particle?.. It can be quantified or observed just by a process of elimination.
Money is only a human invention.
Patience is being friends with Time.
Sex in space is not just a good idea, it's survival.
Everything solid was first an idea.
Fear plants the whisper to beware but doesn't look to see who's there.