no gain without pain
Definition:  for a person to attain something, that person will have to work hard for it
Usage:  you said your dream is to be a medical doctor, so you have to improve your mathematics, sciences, and English results so you get admitted at varsity; no gain without pain, so work hard young man

SEPEDI
Translation:  ga go na poelo ntle le bohloko
Proverb: kodumela moepathuse, ga go lehumo le le tšwago kgauswi

XITSONGA
Translation:  a ku na ku vuyeriwa ku nga ri na ku vava
Proverb: hlomisa ri fanele ku sungula hi ku gingirika

TSHIVENḒA
Translation:  a hu vhi na mbuelo hu si na vhuṱungu
Proverb: nga u sinḓa mavhele, vhukhopfu vhu a ḓa