Meaning of “Blindness has no limiting effect upon mental vision.”

The Soul of Man under Socialism; Wilde defends individual thought while criticizing social pressure that mistakes conformity for moral virtue.

The World I Live In (1908), Chapter XII, “The Larger Sanctions,” printed page 160, Project Gutenberg #27683. The sentence “My intellectual horizon is infinitely wide” immediately follows Keller’s assertion about mental vision and belongs to the same first-person philosophical defense of intellectual and imaginative range.

Essays, First Series, essay II, “Self-Reliance,” Project Gutenberg #2944. “Whoso would be a man must be a nonconformist” follows Emerson’s claim that society conspires against the manhood of its members through conformity. The represented Gutenberg witness prints a comma after “man,” while the frozen catalog quotation omits that punctuation; the wording is otherwise the same. It remains Transcendentalist moral rhetoric about self-trust and independence rather than a universal instruction to reject social norms or expertise.

If—, first stanza; the following line qualifies self-confidence with fairness toward doubters.

Essay “Self-Reliance”; Emerson criticizes rigid adherence to past opinions when fresh judgment requires revision.

Life Without and Life Within, “The Poor Man”; Fuller argues that difficult experience can produce realistic knowledge of one’s resources and a grounded degree of self-reliance.