How does Kakuzo Okakura use imagery in The Book of Tea?

Examples of Imagery:

"[Okakura] was a strange mixture of brilliance and infantilism, penetrating vision and the most ostrich-like reaction. He was a man with a mission, and he suffered from the contradictions that often constitute missionaries." (Introduction, xi-xii)

"The heaven of modern humanity is indeed shattered in the Cyclopean struggle for wealth and power. The world is groping in the shadow of egotism and vulgarity. [...] Meanwhile, let us have a sip of tea." (8-9)