Infidelity is not always built upon doubt, for this is diffident; nor philosophy always upon wisdom, for this is meek; but pride is neither. Colton.

Infidelity, like death, admits of no degrees. 50 Mme. de Girardin.

Infinite is the help man can yield to man. Carlyle.

Infinite pity, yet also infinite rigour of law; it is so Nature is made. Carlyle.

Infinite toil would not enable you to sweep away a mist; but, by ascending a little, you may often overlook it altogether. Helps.

Inflatum plenumque Nerone propinquo—Puffed up and full of his relationship to Nero. Juv.

Inflict not on an enemy every injury in your 55 power, for he may afterwards become your friend. Saadi.

Influence is to be measured not by the extent of surface it covers, but by its kind. Channing.

Infra dignitatem—Beneath one's dignity.

Ingenii largitor venter—The belly is the bestower of genius.