When we are aware that we are eternal beings, when we become enlightened to the fact that our life is something eternal that cannot be harmed by anything, then we have no attachments to the past of anxiety about the future and are able to focus on the present moment the now.
Recognizing Nothing as one's true nature, following the guidance of our conscience - having a clear distinction between absolute and relative values, and using the Earth as the external absolute scale that matches the internal absolute truthfulness.