In theory,
There is lost = There is another gained
at the same time

Although cannot be measured,
amount lost
=
other gained amount

nothing
increase
without
something
decrease

Although cannot be measured,
Amount of thing increased
=
Amount of something decreased

In example,

While knowing something,

With believe
=
+ fasten the process of knowing
- decrease understanding

With understanding
=
- slowing the process of knowing
+ increase understanding

While explaining ‘something’

With theory
=
+ widen the concept scope of ‘something’
- decrease the understanding on the concept of ‘something’

With example
=
- narrowing the concept scope of ‘something’
+ Increase the understanding on the concept of something

While delivering a message

With many words
=
+ increase the description
- weaken the importance of message for reader

With few words
=
- decrease the description
+ strengthen the importance of message for reader

With moderate words
=
+ increase the description
+ strengthen the importance of message for reader

While doing PowerPoint presentation

With colored layout
=
+ increase the beauty then attractiveness
- decrease the focus on words then meaning

Without colored layout
=
+ decrease the beauty then attractiveness
- increase the focus on words then meaning

While learning

Being open-minded
=
+ fasten the learning process
- Increase the likelihood of learning the untruth from malicious one

Being close-minded
=
- slow the learning process
+ decrease the likelihood of learning the untruth from malicious one

Being open-minded
and
wise
=
+ fasten the learning process
+ decrease the likelihood of learning the untruth from malicious one