Final answer:
The line 'I know I have the best of time and space, and was never measured and never will be measured' from 'Song of Myself' reflects Whitman's ideas about the unlimited capacity of the self.
Step-by-step explanation:
The line 'I know I have the best of time and space, and was never measured and never will be measured' from 'Song of Myself' supports the theme of the poem by reflecting Whitman's ideas about the unlimited capacity of the self. In this line, Whitman emphasizes his belief that he is not confined by time or space, and cannot be measured or limited by anyone or anything. This speaks to Whitman's celebration of the individual and the belief in the boundless potential of the self.
Learn more about The theme of the poem 'Song of Myself'