What's the difference between ignorance and apathy?  I don't know and I don't care.

What's the difference between humor and aroma?  Humor is a shift of wit...

 Do you know what happened to the nurse who swallowed a razor blade?  She performed a tonsillectomy, a hysterectomy, and circumcised an intern.

T.B or not T.B  That is congestion.  Consumption be done about?  Of corpse!  Of corpse!