What for do you want to prove... oversätte sound like übersätte, which meant too full, but probably means translate (übersetzen). So...
What for do you want to translate sentences (from danish, I assume).
prove sounds like probe, which means a test, or a test piece
Hm...
Tell me the answer, please!
Friends come and friends go, but enemies accumulate
Si sapis, sis apis - If you're wise, be a bee
If you think the grass is greener on the other side, it's because it is fertilized with bullcabbage