yes...

A monk said to Chao-chou, “I have just entered this
        monastery. Please teach me.”
Chao-chou said, “Have you eaten your rice gruel?”
The monk said, “Yes, I have.”
Chao-chou said, “Wash your bowl.” The monk understood.

         – a koan, from The Gateless Barrier: The Wu-men kuan
                (Trans. Robert Aitken)

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Great awakenings are always dependent upon the simple, the obvious, the dull.