Tilopa was a Bengali mahasiddha who developed the mahāmudrā method around 1,000 C.E. Tilopa gave Naropa, his successor, a teaching on mahāmudrā meditation called the Six Words of Advice.

' Tilopa's Six Words of Advice '

Don’t recall, Let go of what has passed - mi mno*
Don’t imagine, Let go of what may come - mi bsam
Don’t think , Let go of what is happening now - mi shes
Don’t examine, Don’t try to figure anything out - mi dpyod
Don’t control, Don’t try to make anything happen - mi sgom
Rest Relax, right now and rest, - rang sar bzhag

* - Tibetan language