Water flows down the valley does not climb the hill.
More Swahili Proverbs:
If you see something and say nothing, you will have nothing to suffer for.Swahili
One who walks with no reason is not like one who sits without reason, the one who walks might pick up something.
Swahili
Gratitude of a donkey is a kick.
Swahili
The blindnes of that one is his good fortune.
Swahili
An empty hand is not licked.
Swahili
When a bull gets his leg broken, he is sure to go back to his yard.
Swahili