Changes

The '''unseen''' refers to what is not subject to direct observation by any of the five senses.<ref>''See, e.g.'', 2 Corinthians 4:18 (NIV) ("So we fix our eyes not on what is seen, but on what is unseen. For what is seen is temporary, but what is unseen is eternal.")</ref>

The '''unseen''' refers to what is not subject to direct observation by any of the five senses.<ref>''See, e.g.'', 2 Corinthians 4:18 (NIV) ("So we fix our eyes not on what is seen, but on what is unseen. For what is seen is temporary, but what is unseen is eternal.")</ref>

Love is an obvious example of something important that is unseen.  Intelligence is another example.  Additional examples include:

Love is an example of something important that is unseen.  Intelligence is another example.  Additional examples include:

* [[opportunity cost]]

* [[opportunity cost]]

* [[Newtonian]] action-at-a-distance

* [[Newtonian]] action-at-a-distance

* the [[invisible hand]]

* the [[invisible hand]]

* prayer and its effects

* [[prayer]] and its effects

* remarkable [[migration]] patterns of butterflies and birds<ref>See [[migration]].</ref>

* [[migration]] patterns of butterflies and birds

* [[homing]] powers of fowl<ref>See [[homing]].</ref>

* the nature of [[homing]] powers of fowl

* deterrence of crime by self-defense<ref>See [[gun control]].</ref>

* deterrence of crime by self-defense<ref>See [[gun control]].</ref>