【如水投石】〖rú sh tóu shí〗[not to be persuaded like water cannot enter a stone]

如之奈何听不闻，

水绝山穷无路寻。

投林穷猿找住处，

石赤不夺坚定稳。

像水泼向石头，丝毫不入。比喻听而不闻或言无效果。Like water pouring into stone, not enter in slightest. Metaphor does not hear or speak without effect.