 But why is reason unreliable? The only clear argument that Bhartṛhari offers is an argument from instability: even if one presents a skillfully prepared argument in favor of a view, the conclusion of the argument can always be undercut or rebutted; for it is possible that someone else who is more skilled at argumentation might explain the matter differently (Ibid., 1.34). Śaṃkara alludes to Bhartṛhari’s argument while commenting on Aphorisms on Brahman 2.1.11: 