Jain cosmology in the context of "Tīrthaṅkara"

In Jainism, a Tirthankara (IAST: tīrthaṅkara; lit. 'ford-maker') is a saviour and supreme preacher of the dharma (righteous path). The word tirthankara signifies the founder of a tirtha, a fordable passage across saṃsāra, the sea of interminable birth and death. According to Jains, tirthankaras are the supreme preachers of dharma, who have conquered saṃsāra on their own and made a path for others to follow. After understanding the true nature of the self or soul, the Tīrthaṅkara attains kevala jnana (omniscience). A Tirthankara provides a bridge for others to follow them from saṃsāra to moksha (liberation).

In Jain cosmology, the wheel of time is divided into two halves, Utsarpiṇī, the ascending time cycle, and avasarpiṇī, the descending time cycle (said to be current now). In each half of the cycle, exactly 24 tirthankaras grace this part of the universe. There have been infinitely many tirthankaras in the past. The first tirthankara in the present cycle (Hunda Avsarpini) was Rishabhanatha, who is credited with formulating and organising humans to live in a society harmoniously. The 24th and last tirthankara of the present half-cycle was Mahavira (599 BC–527 BC). History records the existence of Mahavira and his predecessor, Parshvanatha, the 23rd tirthankara.

Sanskrit moksha or Prakrit mokkha refers to the liberation or salvation of a soul from saṃsāra, the cycle of birth and death. It is a blissful state of existence of a soul, attained after the destruction of all karmic bonds. A liberated soul is said to have attained its true and pristine nature of Unlimited bliss, Unlimited knowledge and Unlimited perception. Such a soul is called siddha and is revered in Jainism.

In Jainism, moksha is the highest and the noblest objective that a soul should strive to achieve. In fact, it is the only objective that a person should have; other objectives are contrary to the true nature of soul. With the right view, knowledge and efforts all souls can attain this state. That is why Jainism is also known as mokṣamārga or the "path to liberation".

Mahavira (Mahāvīra), also known by his birth name Vardhamana (Vardhamāna), was an Indian religious reformer and spiritual leader who is considered by Jains to be the 24th and final Tirthankara (Supreme Preacher) of this age in Jainism. He is believed by historians to have lived in the 6th or 5th century BCE, reviving and reforming an earlier Jain or proto-Jain community which had likely been led by Pārśvanātha, whom Jains consider to be Mahavira's predecessor. Although the dates of Mahavira's life are uncertain and historically reliable information is scarce, and traditional accounts vary by sectarian traditions, the historicity of Mahavira is well-established and not in dispute among scholars.

According to traditional legends and hagiographies, Mahavira was born in 599 BCE to a ruling royal kshatriya Jain family of the Nāya tribe in what is now Bihar in India. According to traditional sources like the Ācārāṅga Sūtra, the Nāyas were followers of Parshvanatha, Mahavira's predecessor. Mahavira abandoned all worldly possessions at the age of about 30 and left home in pursuit of spiritual awakening, becoming an ascetic. Mahavira practiced intense meditation and severe austerities for twelve and a half years, after which he attained Kevala Jnana (omniscience). He preached for 30 years and attained moksha (liberation) when he died.

Jīva (Sanskrit: जीव) is a philosophical term used within Jainism to identify the soul. As per Jain cosmology, jīva is the principle of sentience and is one of the tattvas or one of the fundamental substances forming part of the universe. The jiva, according to Jainism, is an essential part of how the process of karma, rebirth and the process of liberation from rebirth works.

Ajitanatha (lit. invincible) was the second tirthankara of the present age, avasarpini (half time cycle) according to Jainism. He was born to king Jitashatru and Queen Vijaya at Ayodhya in the Ikshvaku dynasty. He was a liberated soul which has destroyed all of its karma.

According to the Jain cosmology, the Śalākāpuruṣa (Sanskrit: शलाकापुरुष) "illustrious or worthy persons" are 63 illustrious beings who appear during each half-time cycle. They are also known as the triṣaṣṭiśalākāpuruṣa (63 illustrious persons). The Jain universal or legendary history is a compilation of the deeds of these illustrious persons. Their life stories are said to be most inspiring.

The śalākāpuruṣa comprise 24 Tirthankaras (Teaching Gods), twelve Chakravartin (universal monarchs, emperors of six continents), nine Balabhadras (gentle heroes), nine Narayanas (warrior heroes) and nine Prati-narayanas (anti-heroes). According to Jain cosmology, time is without beginning and eternal. The Kālacakra, the cosmic wheel of time, rotates ceaselessly. The wheel of time is divided into two half-rotations, Utsarpiṇī or ascending time cycle and Avasarpiṇī, the descending time cycle, occurring continuously after each other. Utsarpiṇī is a period of progressive prosperity and happiness where the time spans and ages are at an increasing scale while the Avasarpiṇī is a period of increasing sorrow and immorality with decline in time spans of the epochs. During each such time cycle, these 63 illustrious persons appear and establish the religion and order in society. According to Jain cosmology, since time is eternal, infinite kalacakras have elapsed and will occur in future and hence infinite sets of these 63 illustrious persons have appeared, and will appear, to establish order and religion in their respective eras.