Nature
One day’s exposure to mountains is better than a cartload of books. (John Muir, 19th-20th century environmental philosopher)
Muir was not intending to discredit enjoying and learning from books. Rather, he simply wanted to encourage people to move on from books to personal experience. You can read about the mountains, even watch documentaries on their grandeur, but there’s nothing like hiking the hills and seeing the view from the top.
The heavens proclaim the glory of God. The skies display his craftsmanship. Day after day they continue to speak; night after night they make him known (Psalm 19:1-2).