...above all, do not fret until you know that you really have a cause for it.
The Memoirs of Sherlock HolmesWe live only a few conscious decades, and we fret ourselves enough for several lifetimes.
Hitch-22: A MemoirDoes one really have to fret About enlightenment? No matter what road I travel, I’m going home.
ShinshoThe way I play, I go through a set in a year. So I put '58 Gibson Jumbo Bass frets on all my necks.
Stevie Ray VaughanFor power, you know, is a fretful thing, and hath its wings always spread for flight.
Ben-Hur: A Tale of the Christ