His spiritual fervour is not to consume itself in futile emotional sputters that end in the air nor waste itself in frothy sentimentalities that are shut-eyed to realities. If he finds himself strong in feeling but weak in action, he should take it as a sure sign that the will has to be exercised more, the body hardened and disciplined.

-- Notebooks Category 2: Overview of Practicies Involved > Chapter 6: Self-Reflection and Action > # 35