The River adapts itself to whatever route prove possible, but the river never forgets its one objective: the sea. So fragile at its source, it gradually gathers the strength of the other rivers in encounters. And, after a certain point, its power is absolute.
The desire of your vital being is towards work. And the vital being won't find any interest in yoga so long as you do not have any experience of the higher and fuller life that is in yoga. As long as this experience is not there, the vital being will not find any interest.
If one learns from others, but does not think, one will be bewildered. If, on the other hand, one thinks but does not learn from others, one will be in peril.