The Buddha, soon after his enlightenment, reflected on the depth of the Dhamma he had realized. He saw two points in this Dhamma that transcends logic (atakkāvacara), which it is difficult for the worldlings immersed in defilements to see. One is the Dependent Origination (Paṭicca Samuppāda) or Conditionality (Idappacayatā). The other is Nibbāṇa – the complete absence of all cravings & attachments.