Think The World Of Meaning

(transitive, idiomatic) To have a very high opinion of; to have a strong attachment to or affection for.

Example: 1888, Louisa May Alcott, "May Flowers" in A Garland for Girls:
  "I was so pleased I wanted to cry, for the children do love me, and run to me for everything now, and think the world of Sister."
1907, Annie Fellows Johnston, The Little Colonel's House Party, ch. 10:
  "Those little souvenir spoons she sent up with the chocolate yesterday are perfect darlings. I think the world of mine."
1984 April 9, "Medicine: Question: Who Will Play God?," Time:
  "I used to think the world of you, but I hate you for what you said," declared Lilian Bono, 76.