देखा षड्दर्शने म्हणिपती।

देखा षड्दर्शने म्हणिपती। तेचि भुजांची आकृती। म्हणऊनि विसंवादे धरिती। आयुधे हाती।। 

The six philosophies (Nyaya by Sage Gautam, Vaishesika by Sage Kanad, Sankhya by Sage Kapil, Yoga by Sage Patanjali, Karma Mimamsa by Sage Jaimini and Vedanta by Vyasa) are the six arms of Ganesha and hence he holds in each different tools that demonstrate the discord, the disagreement among the philosophies. 

http://youtu.be/cZSgI6f9qZw