Ghee in a vessel,
Ants go round and round
Around the vessel
Knowing pretty well
These cannot taste and eat
The ghee!

Similarly,

The innocent people
Make wasteful efforts
To get benefits
From rich persons
Who never help others
From their amassed wealth!

Dr.V.K. Kanniappan

http://www.poemhunter.com/poem/ants-go-round-and-round/