For many, Ying-Jie is a DIY master because he has the expertise (and some might say courage) to change the oil in his scooter. And he does it with ease, like a well-oiled machine!

The Dynamics of Existence is one of 19 free Scientology online courses based on principles from The Scientology Handbook.

Scientologists @home showcases the many people across the globe who are staying safe, staying well and thriving in life.