But they represented his last means of access to the world, a kind of subterranean channel on which he could set his " statements" afloat, like paper boats which the mysterious current might sweep out into the open seas of life.

但它们代表了他进入世界的最后一种方式，一种他可以在上面漂浮他的“陈述”的地下通道，就像神秘的潮流可能冲进生活的公海的纸船。