Is learning about the past usefu1

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Is learning about the past useful?
I fully disagree that learning about the past has no value for those
living in the present. In fact, it is much more useful than somebody
thinks.
Although sometimes it may be good to overlook the previous
knowledge in order to avoid constraint conformity, we cannot
scorn the important role of the vast knowledge from the past for
the following reasons.
Admittedly, nothing emerges from zero. All knowledge that we
acquire nowadays is from the past: language, customs, academic
subjects, and so on. We inherit the past knowledge, use it and
improve it. In deed, only with the knowledge of prior achievements
can technological progress be made. For example, the discovery of
micro particles made it possible for the physicists to create the flow
of electrons under the influence of magnetic field. Hence many
inventions based on the discovery of electric current have been
made.
Besides the fundamental knowledge, learning from the past provides
us with the most valuable experience. As we have neither hardships
nor difficulties, it is really advisable to learn by our predecessors`
experience. For instance, the Chinese medicine is accumulated by
the knowledge of the effect of plants on illness, built from trials,
even on men, and errors through thousands of years.
Furthermore, it also helps prevent reoccurrence of negative events
in the history of our civilization. By examining our actions in the
past and making judgments about what was right and what was
wrong, we can avoid causing those same mistakes again. Let us
take the example of the Holocaust, the infamous massacre that
nobody ever wants to happen again.

In short, learning about the past is necessary for everyone. It is
advisable to ignore the past to make a breakthrough and to keep
free thinking, however, not at the expense of past knowledge.


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