BASIC KNOWLEDGE

Can a person stop movement of time? If not, then why so much tension? Why is flowing along the current of time considered bad?

No! a person cannot stop the movement of time. His goal  is to obtain freedom from the bondage of birth & death through following instructions of God. But, for following instructions of God, he may have to bring changes in the given social conditions. Not to try to bring changes in the given social conditions for the welfare of others is against the instructions of God and is bad.