āvṛttir asakṛd upadeśāt liṅgāc ca
āvṛttir asakṛd upadeśāt | liṅgāc ca |
(Vedānta-sūtra: 4.1.1–2)
“Repetition [of sādhana practices] should be done repeatedly because of instructions [to do so in the śāstra]. And because of indicators [i.e., because it is observed to be done repeatedly by mahājanas].”