The benefit of irrationality

To be unique we appear irrational against the norms of society. But norms shift to abnormal in another place or among another group.
To encourage unique individuals we must enable the ability to pursue irrational ideas. After all, unique ways of thinking from irrational pursuits may be our salvation.
Yet, knowledge and strange ideas, without wisdom can promote destructive tendencies and harmful outcomes. How do we balance against this?