瑜伽論記 19.178

19.178

設菩薩種姓十信已前雖有大乘種子未久修習，仍有退轉名不定也，翻此即名決定發心，此意攝發心義盡。

Even if possessing the bodhisattva gotra, before the ten faiths, although possessing the Mahāyāna seeds, one has not cultivated them for long, so there is still retrogression; this is termed indeterminate. The opposite of this is termed the determinate arousal of the mind. This intention completely encompasses the meaning of arousing the mind.