Linji (d. 866): If you will just bring to rest the thoughts of the ceaselessly seeking mind, you will not differ from the patriarch-buddha.Turn your own light inward upon yourselves!

Huineng (638ｰ713): Huineng said, “Do not think of good, do not think of evil. At this very moment, what is your original face before your father and mother were born?”

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The above quotations serve as reminders to empty one's mind of chatter, the useless tangle of frustrations and anxieties.  Misfiring brain chemicals and existential filth.  Easier said than done, perhaps, to have a wordless mind; peace requires practice.

http://zen.rinnou.net/head_temples/index.html