1. Yes, reason, in the poem Where the Mind is without Fear, is compared to a stream because like the stream, reason is very clear and flowing.
2. The poet desires that there should be no restriction for getting knowledge. It should be free to all castes and creeds so that all may acquire it.
3. It means that the world should not be divided into small parts on the basis of caste, creed or colour .
4. Ever widening thought and action are the two qualities of mind described by Tagore in the poem.
5. The poet compares dead habit to dreary desert sand because the dead habits are like dreary desert which is lifeless and of no worth, so is the case with dead habits as they stop progress.
6. The poet addresses his poem to God