One half of the world knows not how the 30 other half lives. Rabelais.
One half of the world must sweat and groan that the other half may dream. Longfellow.
One half the world laughs at the other. Fr. and Ger. Pr.
One hand full of money is more persuasive than two full of truth. Dan. Pr.
One hand washes another. Pr.
One hard word brings on another. Pr. 35
One head cannot hold all wisdom. Pr.
One hour in the execution of justice is worth seventy years of prayer. Mahometan Pr.
One hour's sleep before midnight is worth two after. Pr.
One impulse from a vernal wood / May teach you more of man, / Of moral evil and of good, / Than all the sages can. Wordsworth.