Luke: They were in pain.
Yoda: It is the future you see.
Luke: Future? Will they die?
Yoda: Difficult to see. Always in motion is the future.
Luke: I've gotta go to them.
Yoda: Decide you must how to serve them best. If you leave now, help them you could... but you would destroy all for which they have fought... and suffered.
And now we get back to where we skipped before!