familiarity breeds contempt
Definition:  if you know a situation, person, or thing well, you stop respecting them and become careless
Usage:  he worked for many years in the department of justice, he no longer respects the law; I guess familiarity breeds contempt

SEPEDI
Translation:  tlwaelano e tswala lenyatšo
Proverb: a di re go šika le manamane di ete di amuša

XITSONGA
Translation:  ku tolovela nchumu swi tswala ku honisa
Proverb: mutirhi wa le masirheni a nga na nkosi

TSHIVENḒA
Translation:  nḓowelo i bveledza lunyadzo
Proverb: muhuliswa hoṱhehoṱhe, mazwani u musathulwa