Ordinarily our minds have too limited and too ego-centered a range. It is needful to broaden them by reflections and meditations which are highly abstract and totally impersonal. "The universe is infinite and unmeasurable. How tiny and insignificant is this planet Earth in relation to it! How trivial and unimportant are earthly things, if the planet itself is such! How ridiculous to let oneself be captured and imprisoned by momentary sensual pleasures which have not even the duration of most of these things!" Such is one sample of how this exercise could begin.
-- Notebooks Category 4: Elementary Meditation > Chapter 4: Meditative Thinking > # 46