The phrase "my eyes" emphasizes that she herself saw it. Alternate translation: "I have seen it for myself" (See: [[rc://en/ta/man/jit/figs-metonymy]])
This can be stated without the passive form. Alternate translation: "They did not tell me about even half of your wisdom and wealth" or "You are much more wise and wealthy than what they told me" (See: [[rc://en/ta/man/jit/figs-activepassive]])