In principatu commutando, civium / Nil præter domini nomen mutant pauperes—In a change of masters the poor change nothing except their master's name. Phædr.
In private grieve, but with a careless scorn; / In public seem to triumph, not to mourn. Granville.
In proportion as one simplifies his life, the 20 laws of the universe will appear less complex, and solitude will not be solitude, nor poverty poverty, nor weakness weakness. Thoreau.
In propria persona—In person.
In prosperity caution, in adversity patience. Dut. Pr.
In prosperity no altars smoke. It. Pr.
In puris naturalibus—Stark naked.
In quietness and in confidence shall be your 25 strength. Bible.
In quite common things much depends on choice and determination, but the highest which falls to our lot comes from no man knows whence. Goethe.
In radiant, all-irradiating insight, a burning interest, and the glorious, melodious, perennial veracity that results from these two, lies the soul of all worth in all speaking men. Carlyle.