Swear about nothing the way things go (6)
I believe the answer is:
course
'the way things go' is the definition.
I cannot understand how the remainder of the clue works.
Can you help me to learn more?
(Other definitions for course that I've seen before include "Direction taken or intended, as in race" , "Routine progress" , "Prescribed number of lessons" , "Venue for race or golf tournament" , "on this is aimed in the right direction" .)