as you know
Adverb
Meaning
as you know
(idiomatic) as it is already known.
Examples
As long as you know men are like children, you know everything!
You know more than you think you know, just as you know less than you want to know.
Life changes fast. Life changes in the instant. You sit down to dinner and life as you know it ends.
As soon as you know the voice and understand what it is, the whole scene changes. The same world which was the ghastly battlefield of maya is now changed into something good and beautiful.
By the way, the point between rationality and what we would call the irrational is a very difficult point to establish. There's no specific line, as you know.
Fashion is a very particular world, as you know.