I wholeheartedly agree with what Thomas Moore says here about the spiritual life.
Tim Urban • How Religion Got in the Way — Wait But Why
The third truth: If you wish to be fully alive you must develop a sense of perspective. Life is infinitely greater than this trifle your heart is attached to and which you have given the power to so upset you.
Anthony SJ de Mello • The Way to Love: Meditations for Life
To live a spiritual life is to seek to grow in love and kindness—and to persevere even when love as a perfect integration of emotion and action seems daunting or out of reach.
Shai Held • Judaism Is About Love: Recovering the Heart of Jewish Life

Spiritual maturation includes not only developing the ability to interpret the deeper messages of sacred texts, but learning to read the spiritual language of the body.
Caroline Myss • Anatomy of the Spirit: The Seven Stages of Power and Healing
I have characterized the night as the ongoing spiritual process of our lives. We have periodic conscious experiences of it, but it continues at all times, hidden within us. We are aware of only the experiences that come to our consciousness. Thus what someone else might call “going through the dark night” I would call “having an experience of the d
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