Conceiving the real in unreality
while seeing unreal the truly real,
roaming fields of thoughts ill-formed:
never they at the real arrive.
-Dhammapada Verse 11
Explanation: A person interested in spiritual progress must be aware of spiritual values. It is true that material things are also necessary. But they are not the values to be sought after for spiritual progress. If people were to give prominence to material values they cannot attain any spiritual heights.