Srimad Bhagavatam Canto 01, Chapter 04, Text 30

SB 1.4.30

tathapi bata me daihyo
hy atma caivatmana vibhuh
asampanna ivabhati
brahma-varcasya sattamah
 
Translation by His Divine Grace A. C. Bhaktivedanta Swami Srila Prabhupada: 
 
I am feeling incomplete, though I myself am fully equipped with everything required by the Vedas.
 
Purport by His Divine Grace A. C. Bhaktivedanta Swami Srila Prabhupada: 
 
Undoubtedly Srila Vyasadeva was complete in all the details of Vedic achievements. Purification of the living being submerged in matter is made possible by the prescribed activities in the Vedas, but the ultimate achievement is different. Unless it is attained, the living being, even though fully equipped, cannot be situated in the transcendentally normal stage. Srila Vyasadeva appeared to have lost the clue and therefore felt dissatisfaction.
 
Srimad Bhagavatam Canto 01, Chapter 04, Text 28-29
Srimad Bhagavatam Canto 01, Chapter 04, Text 31