Books are chains that connect ideological civilization.
Books are sunshine, illuminating the road of knowledge.
Books are magic lamps to realize strange dreams.
Books are ladders. They climb the halls of science.
Books are the sky, inlaid with historical stars.
Books are the sea, rolling the torrent of culture.
Books are the earth, full of wisdom.
Books are Beidou, pointing out the direction of knowledge.
Books are ships, and we sail in the ocean.
Books are brooms that brush away ignorance and shallowness.
Books are poets, depicting the future of science.
Books are mirrors reflecting historical wisdom.