4.29 avg rating — 1,110,948 ratings

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4.14 avg rating — 1,876 ratings

"Because I'm a devotee of Connie Shak Lin."

4.29 avg rating — 53,054 ratings

"Understanding the universe matters."

4.40 avg rating — 80,912 ratings

"Questioning the nature of reality."

4.21 avg rating — 223,149 ratings

"Because life is like this."

4.27 avg rating — 19,638 ratings

"Because the physical is at least as important as the spiritual, and no less elusive."

4.30 avg rating — 7,876 ratings

"I need to know the nature of the universe."

4.39 avg rating — 397,812 ratings