Opinionated writing is always the most difficult... simply because it involves retaining in the cold morning-after crystal of the printed word the burning flow of molten feeling.

Summary

This quote emphasizes the challenges associated with expressing strong opinions in writing. The author suggests that it is difficult because it requires capturing and preserving the intense emotions behind those opinions in the permanent medium of written words. It metaphorically portrays opinions as a "burning flow of molten feeling" that needs to be crystallized onto paper, highlighting the struggle of maintaining the same fervor and intensity beyond the initial emotional experience.

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