Date: 1848

An old man's heart is narrow, tenantless of hopes, and stuffed with memories

— Keats, John (1795-1821) [in collab. with Brown]

Date: 1848

Charitable eyes may thaw a heart

— Keats, John (1795-1821) [in collab. with Brown]

Date: 1848

A sword's point may be dipped in "the gloomy current of a traitor's heart"

— Keats, John (1795-1821)

Date: 1848

"Could taste so nauseous to the bodily sense, / As these prodigious sycophants disgust / The soul's fine palate. "

— Keats, John (1795-1821) [in collab. with Brown]

Date: 1848

"Indeed you are too fair: / The swan, soft leaning on her fledgy breast, / When to the stream she launches, looks not back / With such a tender grace; nor are her wings / So white as your soul is, if that but be / Twin-picture to your face."

— Keats, John (1795-1821) [in collab. with Brown]

Date: 1848

The soul may be spotted

— Keats, John (1795-1821) [in collab. with Brown]

Date: 1906

"Thy mind is like a mirror swung in space,/And whirling on a thread."

— Troubetzkoy, Amélie Rives [Princess Troubetzkoy] (1863–1945)

Date: 1908

"So her mind is like a wonderful bird-cage, filled with nightingales, which, like all captive nightingales, feed upon hearts—upon her heart."

— Gregorio Martinez Sierra (1881-1947)

Date: 1908

"His mind is like a sunbeam which has fallen into a globe of crystal and clear water, and all the colors are there in it, except one, which is constancy."

— Gregorio Martinez Sierra (1881-1947)