Eat a lot and train hard, I am sure that you will succeed.
Bodybuilding is not only a sport but first an ART.
Perfect form is the most important thing to have a perfect body, it's impossible to make a painting with a big brush
Yes it is better to keep training even if your muscle is still sore.
To be a good bodybuilder you must be a good observer.
I love to be sore and when I feel sore I train even harder.