YODA: Do not underestimate the powers

"persuasion is slavery" I meant in the light of when someone wants you to do something and they have not seen exactly the terrible concequence it will bring by persuading that someone.

Persuasion isn't something the darkside should be doing, because the whole purpose is to lead death and destruction. So I mean "Dark side persuasion into death and destruction" is slavery.
The light side of the force shows their points informational, not persuasive. Yoda speaks from experiencing all the information.

I really think there is going to be scene where Anakin does resist Palpatine at first. I think he will feel betrayed by Palpatine for not being honest with him. They keep saying in all the descriptions on the OS that Anakin feels betrayed by EVERYONE around him and he can’t trust anyone. Look at how he attacked Dooku in AOTC. I definitely think he will lash out at Palpatine at first and then get shocked by force lightening pretty badly. I think the scene will mirror ROTJ when Luke is getting shocked and laying on the floor screaming. If you watch Vader in that scene it almost looks like he’s remembering this happening to him and not having anyone there to help him. I wouldn’t be surprised at all if Lucas added flashbacks (into a future release) to that ROTJ scene intercut with Vader watching and looking away before he picks up Palpatine and throws him.
So Yoda telling Luke not to underestimate the power of the Darkside makes alot of sense. I also think that Yoda had no idea that Vader had an ounce of good left in him. That’s why he was so shocked when Vader told Luke that he was his father.

Darkart99 that was the first explanation that made a whole lot of sense in that Yoda line -- without "reading too much into it." I would love to see Anakin get so angry at Palpy and get zapped. If Anakin does this, in my opinion, little sympathy can be built. It ties in beautifully with Jedi in which nobody was around to help Anakin when he was getting zapped. Man, hope that happens in ROTS....

sorry, but i agree with everyone else, penguiner.....suffer your father's fate refers to being fooled into turning to the darkside, the don't underestimate bit is like a seperate thought, aimed just at luke and not anything to do with a luke/anakin comparison.....

but if rumours are true there are other things that should provide the echo in rotj that you are looking for.....

really like that fan art poster arniehira, and i usually don't go much for fan art.....is it your work?.....

If you watch Vader in that scene it almost looks like he’s remembering this happening to him and not having anyone there to help him

you saw all that emotion through his black mask? lol, just kiddin. anyways, i don't understand why everyone thinks vader had to be tortured into the darkside. its obvious even in the OT that cross over to the darkside was his choice, besides the fact that obi and yoda said so too. anakin was just naive and like alot of impatient people he hurried to make the wrong decision which makes his downfall more tragic because its was his own fault.

I don't disagree with what you are saying, jedi90. If it was Anakin's choice, though, I don't see how many people can also say that Vader is not Anakin anymore once he turned to the dark side. It's like saying if someone made a bad choice, he or she is not the same person they used to know. Anyhow, we'll just have to see Ep III if our speculations are true. It may be possible that Anakin does get tortured or it may not...

Yoda was referring to every one of the emperor's powers. The way he can manipulate you, and make you believe him, and earn his trust. Afterall, he was Chancellor and gave the Jedi many assignments over the years of the clone wars. Some of them probably trusted, or thought well of Palpatine during those times.

If Anakin were to have attacked Palpatine, he would have defeated Palpatine, because that is his destiny, the very reason the force conceived him and it is a destiny he cannot escaped even after becoming the terrifying Darth Vader. His purge against the Jedi, and killing the only thing close enough he could call father, (Obi-Wan) killing countless officers, still did not stop his destiny. Palpatine would have no chance if Anakin went after him in episode 3.

Anakin and Vader are two different people. The darkside absorbs your very soul, and gives you a surge of force power. Why else would Sidious look so disgusting? The darkside takes a huge toll on your physical body. You become evil, twisted and filled with a hate for everyone. When Anakin, the Star Wars Jesus, goes to the darkside, the amount of power flowing through him would be incredible and frightening and it will show that Anakin is dead, and Darth Vader is very much alive.