The+Visit+to+Helmholtz

What?
 * Reaffirms the faith the people have in soma
 * Shows the difference in caste
 * Gives an idea of the relationship between Helmholtz and Bernard

Why?
 * Portrays life in the World State
 * shows the relationship between the characters

How?
 * Dialogue between the people
 * Descriptions
 * Narration
 * Revelation of inner thoughts (feeling ashamed for Bernard)