Even saintly persons like Bhrgu, born previously, could not perform such severe austerities, nor will anyone in the future be able to do so. Who within these three worlds can sustain his life without even drinking water for one hundred celestial years?

Expressions researched:
"Even saintly persons like Bhrgu, born previously, could not perform such severe austerities, nor will anyone in the future be able to do so. Who within these three worlds can sustain his life without even drinking water for one hundred celestial years"

Srimad-Bhagavatam

SB Canto 7

Even saintly persons like Bhrgu, born previously, could not perform such severe austerities, nor will anyone in the future be able to do so. Who within these three worlds can sustain his life without even drinking water for one hundred celestial years?

SB 7.3.19, Translation and Purport

Even saintly persons like Bhrgu, born previously, could not perform such severe austerities, nor will anyone in the future be able to do so. Who within these three worlds can sustain his life without even drinking water for one hundred celestial years?

It appears that even if a yogī does not drink a drop of water, he can live for many, many years by the yogic process, though his outer body be eaten by ants and moths.