In OT ‘Restore’ carries following connotations: to be completed; to finish; to make prosper; to recompense; to rescue; to refresh; to set again; to retrieve; to cause to renew.
Restoration according to bible; is the putting back into existence or use that which has been lost, stolen or misplaced
If your mind thinks small, you remain small. God never said that building the tower of Babel was an impossible project, but He said whatever men start to imagine, they can achieve. They had a good thought but their motive was wrong. If God is not the reason why we want to succeed then there is a problem.
Church is a group of people who are called out from all spheres of life (ethnos) and with different backgrounds into a new government, the kingdom of God. They are called out into a new way of doing things in a foreign land.