Why did the Greeks strive to portray a person as physically perfect? How can this be explained?

In ancient Greece, they tried to portray people as physically perfect, because they were very religious. The Greeks tried to achieve perfection in everything to be like the gods. They believed that if they were physically perfect, then there would be no barriers in front of them and all doors would open.

One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.