折疑論 1.118

1.118

故佛乃利生廣大（故者。指義之辭。餘例此。普度一切眾生。成證一乘妙果故曰廣大也）。

Therefore, the Buddha's benefiting of living beings is vast and great (The word 'therefore' points to the meaning; the rest follow this pattern. Universally delivering all sentient beings so that they realize the wondrous fruit of the One Vehicle; hence it is called vast and great).