Idle People in Troubled Times: from the Late Sui Dynasty to Zhenguan

Other people's time travels were either systematic or they were elites in the society in their previous lives. I had nothing in my time travels. In my previous life, I was just a scumbag and had a lot of idle people. It coincided with the end of the Sui Dynasty and the beginning of the Tang Dynasty, when the society was in turmoil. The saying "If you don't seek knowledge and reach the princes, you will live in troubled times."