inequality of treatment

infinity of height

infirmity of temper

infusion of hatred

inheritance of honor

insensibility of danger

insolence of office

inspiration of genius

instability of purpose

instrument of expression

integrity of mind

intensity of faith

interchange of ideas

interval of leisure

intoxication of vanity

intrepidity of youth

intuition of immortality

invasion of thought

irony of life

J

jangle of sounds

jargon of philosophy

jumble of facts

justness of decision

K

keenness of intellect

kernel of truth

key of knowledge

keynote of success

king of finance

kinship of humanity

L

lack of restraint

languor of nature [languor = dreamy, lazy mood ]

lapse of time

laws of decorum

laxity of mind

legacy of thought

liberty of conscience

light of experience

limit of endurance

link of sequence

loftiness of spirit

look of dominance

loophole of escape

love of approbation [approbation = warm approval; praise]

lust of conquest

lustihood of youth

luxuriance of expression

M

magnanimity of mind

majesty of despair

man of iron

mantle of verdure [verdure = lush greenness of flourishing vegetation]

martyrdom of ambition

marvel of competency

mask of flippancy

mass of mediocrity

master of phrasing

maze of words

measure of absurdity

minister of vengeance

minuteness of description

miracle of miracles

mists of criticism

modesty of reserve

moment of lassitude

monster of ingratitude

monstrosities of character

mood of tranquillity

muddle of motives

multitude of details

mummery of words [mummery = meaningless ceremonies and flattery]

murmur of satisfaction

mutations of time

myriads of stars

mysteries of taste

N

narrowness of range

nebulae of romance

nectar of enjoyment

neglect of duty

niceties of difference

nightingale of affection

nobility of purpose