《菜根谭·修身》
这些私心杂念不清除干净，就会像石头下的小草，一旦将石头移去，就会重新生长。
此处拔除不净，恐石去而草复生矣。
If these private thoughts and delusions are not eliminated, they will be like small weeds under the stones, which will grow again once the stones are removed.