It is the disposition of the individual on the one hand and the environment in which he grows up,which clouds one’s Mind,the other.
Multitude of Thoughts ,most of them occurring at the same time creates a conflict of Ideas.
It might be the clash of ideas,or the value system one has /been exposed to or merely the presence of totally contradicting ideas or overlapping ideas.
This,essentially,is because of the Perception one has of Objects and the ideas he forms of them.
The Object,we observe first ,as Fact.