You can't keep a good Wheel of Time fan down...
Energy can only be manipulated and moved, but never created or destroyed.
This is the law of conservation of energy (see also here, which I guess motivated this question).
The two halves, they compliment each other,
Saidin and saidar, the two halves of the One Power.
And yet are complete opposites.
Saidin and saidar differ in many ways but are basically two halves of the same thing.
I wish I was a channeler,
People who can use the One Power are called channelers.
Born with a "spark"
Some channelers are born with the spark, meaning they'll inevitably begin to channel with or without training - if not found and trained e.g. by Aes Sedai, they usually die.
But here I am asking other questions,
and answering them as best I can.
That's exactly what you're doing on the Puzzling Stack Exchange!
It's my "spark" I guess.
Gracelyn Rioux, a non-Aes Sedai.
Rand al'Thor, the Dragon Reborn and the most powerful channeler alive :-D