Answer:
It is sometimes known to have silver linings.
We are all around, yet to us you are half blind. Sunlight makes us invisible, and difficult to find.
I am the outstretched fingers that seize and hold the wind. Wisdom flows from me in other hands. Upon me are sweet dreams dreamt, my merest touch brings laughter.
Plant whose name sounds like a dish full of dairy spread.
What does everyone know how to open but not how to close?
What language does a billboard speak?