古代诗人刘禹锡在《陋室铭》一文中曰：“山不在高;有仙则灵，水不在深，有龙则灵。
B-Time I-Time B-Person I-Person I-Person I-Person I-Person O B-Abstract I-Abstract I-Abstract I-Abstract I-Abstract O O O O O O B-Thing O O O O O B-Person O O O B-Thing O O O O O B-Thing O O O