The last episode of the clone war anime series give good clue on this
Yoda speaking to his dark side :
I recognize you, but I dont accept you , and I reject you
Star wars is just a mind control tool. If I would be more divinelike I would not have need to know the "dark side". I know that Im a curious being. Im not proud of it. I like to know the evil ways out of curiousity. It turn against me as my torment. But at least I know I tormented myself.
God had told me in the Bible not to.
As the nondivine saying goes - no pain no gain.
The Yoda thing is illustration
Every human has weakness, the capacity of discrimination between the two is large part of what religion is about.
Sinful nature are mostly automatism from the body, desires, impulses, what psychologists call the subconscious.
They need to be recognized as sins, and fought against with the power of the spirit.
In the bible it's said the evil has thousand path, but only one lead to "good".
But focusing on good and driving off evilish impulse require discipline and will power.
You can detect evil ways by contrast to what is good, and by focusing will power on the good, it allow to keep devil things at bay.
Look at how the budha can burn the demons and Evil who try to reach him creating the bubble with his will power through meditation and keep his zen no matter what with the will power
Meditation is training of will power.
http://biblehub.com/niv/psalms/91.htm1Whoever dwells in the shelter of the Most High
will rest in the shadow of the Almighty.a
2I will say of the Lord, “He is my refuge and my fortress,
my God, in whom I trust.”
5You will not fear the terror of night,
nor the arrow that flies by day,
6nor the pestilence that stalks in the darkness,
nor the plague that destroys at midday.
7A thousand may fall at your side,
ten thousand at your right hand,
but it will not come near you.
8You will only observe with your eyes
and see the punishment of the wicked.