Velleity

Rousseau showed through life a singular proneness for being convinced by his own eloquence; he was always his own first convert; and this reconciles his power as a writer with his weakness as a man. He and all like him mistake emotion for conviction, velleity for resolve, the brief eddy of sentiment for the midcurrent of ever-gathering faith in duty that draws to itself all the affluents of conscience and will, and gives continuity and purpose to life.

Source: wiktionary

This connoisseuse of “splendid weaknesses”, run not by any lust or even velleity but by vacuum: by the absence of human hope.

Source: wiktionary

All were born late enough to breathe the atmosphere of the new poetry young; all had poetical velleities, and a certain amount, if not of originality, of capacity to write poetry. But they were not poets; they were only poetical curiosities.

Source: wiktionary

—And so the conversation slips / Among velleities and carefully caught regrets / Through attenuated tones of violins / Mingled with remote cornets / And begins.

Source: wiktionary