Simba mwenda pole/kimya ndiye mla nyama

Translation: 
The lion that moves silently is the one that eats meat
Postproverbial: 
Simba mwenda pole/kimya jua iko gonjwa au haina njaa
Translation: 
The lion that moves silently is either sick or not hungry
Postproverbial: 
Simba mwenda pole/kafungwa na/au anamuogopa Yanga
Translation: 
The lion that moves silently has been beaten by or is afraid of Yanga
Comments: 
In the context of the last entry here, Simba is a name of a rival football team to Yanga
Language - Region: 
kiswahili-east africa