瑜伽師地論略纂 2.51

2.51

聲中，「若犯若出」者，犯己還淨也。　「聖言」者，稱實名聖，聖者正故。

Among sounds, "transgression and emergence" means purifying oneself again after committing an infraction. "Noble speech" is called noble because it accords with reality; the noble is the correct.