Greek proverb: Ἐλέφας μῦν οὐ δάκνει

Here's a saying from Apostolius, C7.8, with a Latin version from Clavis Homerica. The image is from Wikipedia. Here are some more Apostolius proverbs.

Ἐλέφας μῦν οὐ δάκνει.
Elephas murem non mordet.
An elephant doesn't bite a mouse.