O bserve what thy nature requires, so far as thou art governed by nature only: then do it and accept it, if thy nature, so far as thou art a living being, shall not be made worse by it.
Constantly contemplate the whole of time and the whole of substance, and consider that all individual things as to subst…
Look at everything that exists, and observe that it is already in dissolution and in change, and as it were putrefaction…