Conservation of energy inspired from . . . .
Everything has an inspiration and these laws could have been too. Those days people were so intellectual that they had vast knowledge about many things. It helps us to connect various things and arrive at a new inventions etc. Inventions these days are obsolete that either everything in life is already sufficient for people or people are not tapping their minds enough or inventions are heading in a different directions.
Astronomy is one area where there were many civilizations predicted everything without the instruments.
The architectures by kings were astonishing. There were no such advancements olden days.
People used the existing nature to predict things exactly how they worked and how they will work . The law of conservation of energy seems to be an inspiration from this.
Analyzing the concept of souls, the souls are neither created nor destroyed that transforms from one form to another form. So as energy