I could never really imagine having a soul.even though that was what I was taught to believe. Images can arise from the depths of the subconscious perhaps as an extension from reality.
We would be incapable of lying, because it would never occur to us to imagine that which is not.
Crooks would not exist.
Advertising would not exist.
New tools and methods might be developed by accidental discoveries, but invention and the growth of experimental techniques and knowledge would have been far slower. Science would barely exist and be a much slower process.
We might never have developed the concept of zero.
Sex would include sensuality and romance, but never fantasy or role play.
We would have no arts and no culture.
There would be no religion and no superstition.
We would have difficulty conceiving of the future, foreseeing consequences, and planning.