In ancient Greece, Socrates was reputed to hold knowledge in
high esteem. One day an acquaintance met the great philosopher and said,
"Do you know what I just heard about your friend?"
"Hold on a minute", Socrates replied. "Before
telling me anything I'd like you to pass a little test. It's called the Triple
Filter Test."
"Triple filter?"
"That's right", Socrates continued. "Before
you talk to me about my friend, it might be a good idea to take a moment and
filter what you're going to say. That's why I call it the triple filter test.
The first filter is Truth. Have you made absolutely sure that what you are
about to tell me is true?"
"No", the man said, "Actually I just heard
about it and ..."
"All right", said Socrates. "So you don't
really know if it's true or not. Now let's try the second filter, the filter of
Goodness. Is what you are about to tell me about my friend something
good?"
"No, on the contrary."
"So", Socrates continued, "you want to tell
me something bad about him, but you're not certain it's true. You may still
pass the test though, because there's one filter left: the filter of
Usefulness. Is what you want to tell me about my friend going to be useful to
me?"
"No, not really."
"Well", concluded Socrates, "if what you want
to tell me is neither true nor good nor even useful, why tell it to me at
all?"
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