Humanity has been witnessing extraordinary developments in technology since the Industrial Revolution. In modern times, the brain device that increases the learning speed, the chip that repairs the damaged tissue, and artificial intelligence in cancer treatment are just a few of the successfully proceeding studies of scientists. Simultaneous to these exciting developments, however, a virus that emerged in Wuhan, China in the first quarter of the 21st century reminded us once again that these endeavours are insufficient and people should bear in mind that there still is much to progress. Obstructing the natural flow of life, the virus COVID-19 possesses a capacity of fabricating consequences that entail the changes on individual, national, and international levels. Humanity will need to revise primarily the past experiences and knowledge of quotidian & professional life, education & training, politics, economy, and international relations in the Post-COVID-19 era.