Recently I read an academic book about Ninja.
The author had read ancient documents about Ninja and analyzed them.
I assumed Ninjas were specialists in martial
arts. Actually their main activity was spying. Some documents say “If you are
discovered by your enemy, just run away. Never fight. Killing two or three
enemies has no value. You should bring important information to your side.”
In this book, I read about an interesting
Ninja technique. We should call that technique “Pretending to be a little bit
stupid”. In this situation, a Ninja is hiding in enemy territory disguised as
an enemy soldier. An enemy soldier might ask the Ninja for a password. The
Ninja could not know the newest password. In that case, the document recommends
“You should pretend to be a little bit stupid”. Passwords were renewed all the
time. A slightly stupid person wouldn’t be able to remember the latest one.
Sometimes a kind-hearted enemy would tell the Ninja the newest password.
Actual Ninja could be like this.
We live in a modern digital society. Sometime
we are asked for passwords. Digital systems tell us “The password needs to
include a number or a capital letter” or “You need change the password
frequently”. It is very bothersome. I often forget a password which I have
chosen myself. I am a little bit stupid but digital systems can’t accept the
ancient Ninja technique. It just doesn’t work. There is no kind-hearted enemy
in the modern world.
Picture by TopVectors
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