By all means
Meaning: definitely, certainly, something that you say when you are agreeing to let someone do something
Example: I have a copy of the report on my desk. By all means have a look at it. Do you need my help? — By all means.
See also: by no means
Example: I have a copy of the report on my desk. By all means have a look at it. Do you need my help? — By all means.
See also: by no means