Crossword puzzle clue "it's good to know them"

Shakespeare character who says "Good night, ladies; good night, sweet ladies; good night, good night"

A good manager will know them

It's good to know them

British character played by Sacha Baron Cohen who can seem a little mean sometimes, but I know it's all in good fun and it comes from a good place :)

You know -- know

"Someone I know wants to know (and that someone is me)"

"I know! I know!"

Sylvia Plath poem that begins "I know the bottom, she says. I know it with my great tap root"