Knowledge once gained casts a light beyond its own immediate boundaries.
知识一旦获得，就会在其直接的边界之外投射出光芒。
-- John Tyndall 约翰·廷德尔
Knowledge once gained casts a light beyond its own immediate boundaries.
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Knowledge once gained casts a light beyond its own immediate boundaries.
知识一旦获得，就会在其直接的边界之外投射出光芒。
-- John Tyndall 约翰·廷德尔
