Question

How do the poems ‘the lamb' and ‘the tyger' express two opposite sides of the human soul ? answer with textual references?

Answer 1

Concerning these two companion poems by Blake, the idea of experience in Blake's "The Tyger" can be thought of in contrast to the innocence of "The Lamb." 

The narrator of "The Lamb" is a child who sees only the purity and innocence of the lamb, and by extension, nature.  The narrator of "The Tyger" knows better.  There is another side to nature (and this narrator is aware of it), just as there are two sides...