984c318e_Summary__Forum_and_Expert_Tips__Theory_Y
[0] Assumptions [Theory X] Humans inherently dislike working and will try to avoid it if they can. [Theory Y] 
People view work as being as natural as play and rest. Humans expend the same amount of physical and mental effort in their work as in their private lives.
McGregor's Theory X and Theory Y: Summary, Forum and Expert Tips
Theory Y