Most are prone to rely on others. Critical thinking is hard work. Most of us avoid it. Easier to not question. Using Known Facts Reason can help us sort facts, to arrive at new facts, and to process known facts.
Book says what dollar is worth in yen in Japan.
Can usually trust such facts. Knowledge From the Subconscious Varied connotations. Insights or bits of knowledge that emerge from the deeper subconscious. Feels like it is going to rain, or that a person is lying. Not really precognitive insights, but rather premonitions.