Avoid Cross-magnetism
A popular mediumistic writer has given the following excellent words of
warning to young mediums: "Do not go into public promiscuous 'developing
circles.' There is always a danger of 'cross magnetism' and disorderly
manifestations in such gatherings. Owing to the mixed and inharmonious
mental, moral, and physical conditions which necessarily exist where a
number of strangers and curiosity seekers are attracted, you run the
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risk of being affected by undeveloped, unprincipled, frivolous,
mercenary, self-assertive, or even immoral spirits, who, being attracted
to such assemblies, seek to influence incautious and susceptible people
who ignorantly render themselves liable to their control. The people
'on the other side' are human beings of all grades; they are not morally
purified by passing through the death-change; and as we are constantly
sending into their other state 'all sorts and conditions of people,' you
need not be at all surprised if you get into intercourse with the vain
and foolish, the unreliable and pretentious, or the selfish and sinful,
if you indiscriminately open the doors of your psychic self and give a
free invitation to any spirit 'passer by.'"