What Did Jesus Mean By Saying We “Will Do Even Greater Things Than These”?

John 14:12-14

12 Very truly I tell you, whoever believes in me will do the works I have been doing,and they will do even greater things than these, because I am going to the Father.13 And I will do whatever you ask in my name, so that the Father may be glorified in the Son. 14 You may ask me for anything in my name, and I will do it.