Greek proverb: Ἀετὸν κορώνη

Here's a saying from Apostolius, C1.42, with a Latin version from Clavis Homerica. The image is from bensons at Flickr. Here are some more Apostolius proverbs.

Ἀετὸν κορώνη ἐρεσχελεῖ.
Aquilam cornix lacessit.
The crow is taunting the eagle.