Similarly, you may ask, do as u would be done by?
Treat and respect others as you would hope to be respected and treated by them. See also: View examples in Google: Do as you would be done by.
Additionally, will be done by meaning? If you specify a single point in time, doing something by that point is clear - it will be completely done. Thus, "it will be done by 3:00pm on Friday" means that it will be done, complete, nothing left to do as regards it, at or before 3:00pm on Friday.
Similarly, you may ask, do as you would be done by origin?
The importance of the belief was emphasised during the 17th century, when it began to be known as the Golden Law, or Golden Rule. Robert Godfrey called it that is Various injuries and abuses in chymical and galenical physick, 1674, using the more colloquial form 'do as you would be done by':
Do as you would be done by others?
A command based on words of Jesus in the Sermon on the Mount: “All things whatsoever ye would that men should do to you, do ye even so to them.” The Mosaic law contains a parallel commandment: “Whatever is hurtful to you, do not do to any other person.”