The belief of satyuga humans was not as such. If big bang happened then what made the existance of huge stars in the universe. As per shiv swravodhyae lord shiva tells parvati about the formation of universe that his unvisible jyotirbindhu swarup gave birth to the first element called as space and with the help of space only air came into existance. Now with the help of space and air, the third element fire came into existance.
The combination of these three elements gave birth to the fourth element called as water and lastly the fifth element earth came into existance. The jyotir bindu goddes mother shakti is present in each and every atom in the form of energy. The universe is on expansion from lights years and is still expanding and expanding giveing birth to the space element inside it, which proves the explanation of lord shiva logicaly.
The soul, kundalini and mind has to travel the whole cycle of 84 lacks of yonis and reach human body for the fulfilment of the oath. Unless and until the mind dose not fulfill the oath, the mind has to take births in the form of human body again and again. The human body can achive the knowledge of oath by the process of kundalini jagran only. Kundalini is the goddes of knowledge which only makes travel of soul and mind in the cycle of universe.
The present time is kaluga in which all the souls need libralisation from this cycle; as todays human is living a stressfull and unhealthy life. If on needs the libralisation from the cycle, one has to learn one vedic mukti mantra of shiv sankalpamasatu and attain his knowledge of the oath taken from lord shiva.
Once when human of the planet will start liveing an oathfull life then and then only there will be growth and progress. Todays human is moveing the planet on the distruction path very rapidly where as a human bears an oath for its growth and progress of the universe. In the eyes of lord shiva it is a very shamefull life which is lead by the humans of present time. Lord Shiva is only the Lord of Wisdom on the Planet for all the human bodies.
How to get Liberalisation from the Cycle of Universe