Three witches meet Macbeth and Banquo on the heath (marshes) as the men return from battle
Sure hope this helps oyu.
First, it is spelled servile. Second, here is your sentence!
The boy was servile and weak, intolerably vain and ambitious.
Franis galton postulated the nature vs nurture theory. He was influnced by his by the book on origin of species by his half-cousin Charles Darwin