Explanation:

- The sentence suggests looking back to a historical or traditional source of wisdom.

- The word paired with "sages" should imply a sense of age or traditional knowledge.

Options:

1. extinct: Refers to something that no longer exists. Not suitable for describing people who convey wisdom.

2. ancient: Suggestive of something very old; closely aligns with traditional wisdom passed down through ages.

3. initial: Refers to the beginning; unrelated to historical wisdom.

4. antique: Typically used for old objects, not people or ideas.

Your selection, "ancient," perfectly fits the context. It conveys the idea of drawing wisdom from traditional sources effectively.

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