Matsyapurana 144.90

144.90

kaliśiṣṭeṣu teṣvevaṃ jāyante pūrvavatprajāḥ
bhāvino 'rthasya ca balāt tataḥ kṛtamavartata //

The remaining people in Kaliyuga gradually begin to discriminate and they get dispassion (vairâgya) Thence, they realise their knowledge of self and they become religious So Satyayuga comes in to fulfil that which is to be done in future The people thus become happy and enjoy things with their equality of sight which they did not enjoy in the past Kali nor which they would enjoy in the future Tretâ Thus I bow down to Svāyambhuva and I have narrated to you in detail all the characteristics of the several yugas in due order—88 91