What is the meaning of John 8:14?

* The two F.O.G. Bibles & Commentary below are currently a work in progress.

Jesus replied, “Even if I testify about Myself, My testimony is valid, because I know where I came from and where I am going. But you do not know where I came from or where I am going.

Berean Standard Bible (BSB)

Jesus answered them, “Even if I testify about myself, my testimony is true, for I know where I came from, and where I am going; but you don’t know where I came from, or where I am going.

World English Bible (WEB)

Jesus{G2424} answered{G611}{(G5662)} and{G2532} said{G2036}{(G5627)} unto them{G846}, Though{G2579} I{G1473} bear record{G3140}{(G5725)} of{G4012} myself{G1683}, yet my{G3450} record{G3141} is{G2076}{(G5748)} true{G227}: for{G3754} I know{G1492}{(G5758)} whence{G4159} I came{G2064}{(G5627)}, and{G2532} whither{G4226} I go{G5217}{(G5719)}; but{G1161} ye{G5210} cannot{G3756} tell{G1492}{(G5758)} whence{G4159} I come{G2064}{(G5736)}, and{G2532} whither{G4226} I go{G5217}{(G5719)}.

Strong's King James

(14) Yeshua replied and said to them, "Even if I testify about Myself, My testimony is firm-truth because I know where I came from and where I'm going but you don't know where I come from or where I'm going.

The F.O.G*

[14] Jesus answered, "Even if I testify about Myself, My testimony is valid because I know where I came from and where I'm going. But you have no idea about My true origins or destination.

The F.O.G Paraphrase

Jesus answered and said to them, ‘And if I testify of myself—my testimony is true, because I have known whence I came, and whither I go, and ye—ye have not known whence I come, or whither I go.

Young's Literal Translation