He must so elevate his Manas that its perception will be clear and all mists created by Maya dispelled.
Intellect which is solely a product of the lower manas has in our age, says HPB, paralyzed spiritual perceptions.
Of the rivers traversing Bhutan, the most considerable is the Manas, flowing in its progress to the Brahmaputra under the walls of Tasgaon, below which it is unfordable.
The Lhobrak was finally identified with the Manas river, a geographical discovery of some importance.
Travelling by way of Khamba jong directly to Gyantse and Shigatse, he turned eastwards at the latter town, finished the survey of the Yamdok t'so, and crossed the Himalaya into the valley of the Lobratsangpo or Upper Manas river.