Answer:
What language does a billboard speak?
I make you weak at the worst of all times. I keep you safe, I keep you fine. I make your hands sweat and your heart grow cold. I visit the weak, but seldom the bold. What am I?
Light me up in backyard gatherings
I am just two and two. I am hot. I am cold. I am the parent of numbers that cannot be told. I am a gift beyond measure, a matter of course. What am I?
I work when I play and play when I work
I build up castles. I tear down mountains. I make some men blind. I help others to see.