Translation of cinturón de seguridad

Only an independent observer would be able to judge nature, for example God. In this poem the independent power is the witch who cooks her soup of nature, she knows what ingredients she needs to add.
In addition, I want to inform you that I found a possibility to deliver a more Spanish lessons from Vocabulix. To my knowledge, the lessons are excellent and a great base for the Spanish training.
We arrived without any more power back in the village of Sapa and went for dinner right away. We went to bed early, because of the physical exercise and because we did not sleep well a night earlier.