"I wouldn't expect less of him." and "I wouldn't expect less from him."
Both are correct?

Question

"I wouldn't expect less of him."  and  "I wouldn't expect less from him." 
Both are correct?

Answer

Yes.

Answer

Usually people say "I wouldn't expect anything less from him," and it can be used as a compliment to someone whose standards are always impeccably high. Otherwise it means that he is doing doing what is expected of him.