Answer:
Being able to interpret the letters on this screen proves that you have this quality.
Walk on the living, they don't even mumble. Walk on the dead, they mutter and grumble.
Slayer of regrets, old and new, sought by many, found by few.
What kind of running means walking?
Long and think, red within, with a nail at the end.
If lightning strikes an orchestra who is the one most likely to get hit?
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?