do not cross a bridge until you come to it
Definition:  do not unnecessarily worry about a situation that you anticipate, rather deal with it a when it presents itself
Usage:  I know you are worried about the vehicle loan repayment next month, but I suggest you worry not and cross that bridge when you get to it

SEPEDI
Translation:  o se ke wa tshela leporogo pele o fihla go lona
Proverb: o se ke wa bolelela nonyana maratetšong

XITSONGA
Translation:  u nga peli biloho u nga si fika eka rona
Proverb: u nga hlongorisi huku u khome munyu

TSHIVENḒA
Translation:  u songo pfuka muratho u vhuya u swika u tshi swika khawo
Proverb: mbeu i lindela mavu ane khao ya ḓo zwalwa