知秋南天一剑 <p class="ql-block">一叶知秋</p> <p class="ql-block">一叶知秋进，</p><p class="ql-block">日月彼此间。</p><p class="ql-block">寒气凝清露，</p><p class="ql-block">天地澄心渐。</p>