Believe is a type of Expect. Believe is related to Conviction. Conviction is related to Punishment. Punishment is related to Harsh. 
Living can cause/lead to Suffering. Living is a different concept from Exist. Exist is related to Live. 
Expect <--IsA-- Believe <--RelatedTo--> Conviction <--RelatedTo--> Punishment <--RelatedTo--> Harsh 
Suffering <--Causes-- Living <--DistinctFrom--> Exist <--RelatedTo--> Live 