“If the engineer does not honor the nature of the steel or the wood or the stone, his or her failure will go well beyond aesthetics: the bridge or the building will collapse and put human life in peril.
The human self also has a nature, limits as well as potentials. If you seek vocation without understanding the material you are working with, what you build with your life will be ungainly and may well put lives in peril, your own and some of those around you. “Faking it” in the service of high values is no virtue and has nothing to do with vocation. It is an ignorant, sometimes arrogant, attempt to override one’s nature, and it will always fail.”
Let Your Life Speak: Listening for the Voice of Vocation (1999)
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Parker Palmer 22
American theologian 1939Related quotes

“The life you save may very well be your own.”

As quoted by Diogenes Laërtius, in Lives of Eminent Philosophers: 'Zeno', 7.87.
The "end" here means “the goal of life.”
Source: Dictionary of Burning Words of Brilliant Writers (1895), P. 320.

1950s, Loving Your Enemies (November 1957)

Augustus (1937)
Context: There is no merit in an empire as such. Extension in space does not necessarily mean spiritual advancement. The small community is easier to govern, and, it may well be, more pleasant to live in. If its opportunities are limited its perils are also circumscribed. But the alternatives which confronted him were empire or anarchy.

The Enemies of Reason, "Slaves to Superstition" [1.01], 13 August 2007, timecode 0:05:54ff
The Enemies of Reason (August 2007)