Srimad Bhagavatam Canto 11, Chapter 10, Text 22

SB 11.10.22

antarayair avihito
 yadi dharmah sv-anusthitah
tenapi nirjitam sthanam
 yatha gacchati tac chrnu
 
Translation: 
 
If one performs Vedic sacrifices and fruitive rituals without any mistake or contamination, one will achieve a heavenly situation in the next life. But even this result, which is only achieved by perfect performance of fruitive rituals, will be vanquished by time. Now hear of this.
 
Purport: 
 
The word gacchati means “going.” In Bhagavad-gita Lord Krsna states, agamapayino ’nityah: all material experiences, good or bad, come and go. Therefore the word gacchati refers to the disappearance of the results of even the most meticulously performed fruitive sacrifices. Any material situation, from the worst to the best, is imperfect. Thus one should strive only for pure Krsna consciousness.
Srimad Bhagavatam Canto 11, Chapter 10, Text 21
Srimad Bhagavatam Canto 11, Chapter 10, Text 23