Sāṃkhya Kārikā verse 9

asat-akaraṇāt-upādãna-grahaṇāt sarva-saṃbhavā-abhāvāt | 

śaktasya śakyakaraṇāt kāraṇa-bhāvāt-ca sat-kāryam ||
asat - unreal; wrongakaraṇa - not making, effectingupādāna - material cause; material of any kindgrahaṇa - the process of graspingsarva - allsaṃbhava - production, springing up, arising, existence; cause, reason, occasionabhāva - non-appearance, non-existence, absenceśakta - able, competent for, equal to, capable ofśakya - able, possible, practicable, capable of being,karaṇa - making, effectingkāraṇa - reasons, causebhāva - becoming, being, existing, occurring, appearanceca - andsat - real, true, right