41.   Nobody knows this stuff.

42.   Now we know that stuff.

43.   Obviously, trainer Joe Goossen and Doug Fischer, editor of maxboxing.com, know their stuff.

44.   Oh, I know some stuff about how we are supposed to be a fluke.

45.   Pneumonia you catch the instant you step outside with wet hair, if my granny knew her stuff.

46.   Robert Miller knew his stuff.

47.   She has to know her stuff.

48.   That he knew his stuff was a given.

49.   The minivan set knows its stuff.

50.   The question arose as to how Sullivan came to know such stuff.