uNarvArAr un perumai? Uzhi thORUzhi
uNarvArAr un uruvam thannai? - uNarvArAr
viNNagaththAy! maNNagaththAy! vEngkadaththAy! nAlvEdhap
paNNagaththAy! nI kidandha pAl? 

Meaning:

viNNagaththAy 			- O Lord! who resides in SriVaikunta;
maNNagaththAy 			- You who descended to this world;
vEngkadaththAy 			- You who stands on the Thirumalai hills;
nAl vEdha paN agaththAy 	- You who are present in the four Vedas which have music;
uNarvAr Ar 			- who can know
un perumai 			- Your greatness?
uNarvAr Ar 			- who can know
un uruvam thannai 		- Your form and nature
Uzhi thORu Uzhi 		- (even analyzing it) from yuga to yuga?
uNarvAr Ar 			- who can (measure and) know
nI kidandha pAl 		- the milky ocean on which You rest?

Vyakhyana Saram:
In the previous pasuram, Azhvar said that those with knowledge will seek to understand Him. In this pasuram, he says that no one can truly measure and understand Him.