Unnatural deeds / Do breed unnatural troubles: infected minds / To their deaf pillows will discharge their secrets. Macb., v. 1.

Unnumbered suppliants crowd preferment's gate, / Athirst for wealth, and burning to be great; / Delusive fortune hears the incessant call, / They mount, they shine, evaporate, and fall. Johnson.

Uno avulso non deficit alter—If one is torn away, 15 another takes its place. M.

Uno ictu—At once (lit. at one blow).

Uno impetu—At once (lit. by one onset).

Uno levanto la caza, y otro la mata—One starts the game, and another carries it off. Sp. Pr.

Unproductive truth is none. But there are products which cannot be weighed in patent scales, or brought to market. J. Sterling.

Unpublished nature will have its whole secret 20 told. Emerson.

Unreasonable haste is the direct road to error. Molière.

Unreflective minds possess thoughts only as a jug does water, by containing them. In a disciplined mind knowledge exists like vital force in the physical frame, ready to be directed to tongue, or hand, or foot, hither, thither, anywhere, and for any use desired. Coley.