Sringeri Jagadguru explains Sandesham (Message) to Humanity from Aikamatya Suktam of Rig Veda
संगच्छध्वं संवदध्वं संवो मनांसि जानतां
समानी व आकूतिस्समानो हृदयानि वः
समानमस्तु वो मनो यथा वस्सुसहासति
Let everyone have the same thoughts/opinions
Let no one have ill feeling towards others
Let everyone have the same Manas
If we follow this Sandesham, we can lead a peaceful life without any fights/disputes.
This Sandesham from Rig Veda is for World Peace.
If everyone follows this Sandesham , there will be peace in the world.