Date: w. 1821, 1840

"Poetry thus makes immortal all that is best and most beautiful in the world; it arrests the vanishing apparitions which haunt the interlunations of life, and veiling them, or in language or in form, sends them forth among mankind, bearing sweet news of kindred joy to those with whom their sister...

— Shelley, Percy Bysshe (1792-1822)

Date: 1845

"Mr. Gore lived in St. Michael's, Talbot county, Maryland, when I left there; and if he is still alive, he very probably lives there now; and if so, he is now, as he was then, as highly esteemed and as much respected as though his guilty soul had not been stained with his brother's blood."

— Douglass, Frederick (1818-1895)

Date: 1851

"Just as a spring, through the continual pressure of a foreign body, at last loses its elasticity, so does the mind if it has another person’s thoughts continually forced upon it."

— Schopenhauer, Arthur (1788-1860)

Date: 1854

"Then we shall have that marriage of minds which alone can blend all the hues of thought and feeling in one lovely rainbow of promise for the harvest of human happiness."

— Eliot, George (1819-1880)

Date: 1854

"The woman of large capacity can seldom rise beyond the absorption of ideas; her physical conditions refuse to support the energy required for spontaneous activity; the voltaic-pile is not strong enough to produce crystallizations; phantasms of great ideas float through her mind, but she has not ...

— Eliot, George (1819-1880)

Date: 1854

"Nay, be a Columbus to whole new continents and worlds within you, opening new channels, not of trade, but of thought."

— Henry David Thoreau (1817-1862)

Date: 1854

"What was the meaning of that South-Sea Exploring Expedition, with all its parade and expense, but an indirect recognition of the fact, that there are continents and seas in the moral world to which every man is an isthmus or an inlet, yet unexplored by him, but that it is easier to sail many tho...

— Henry David Thoreau (1817-1862)

Date: 1854

"While England endeavors to cure the potato-rot, will not any endeavor to cure the brain-rot, which prevails so much more widely and fatally?"

— Henry David Thoreau (1817-1862)

Date: November 24, 1859

"A few naturalists, endowed with much flexibility of mind, and who have already begun to doubt on the immutability of species, may be influenced by this volume; but I look with confidence to the future, to young and rising naturalists, who will be able to view both sides of the question with impa...

— Darwin, Charles (1809-1882)

Date: 1867

"As capitalist, he is only capital personified. His soul is the soul of capital."

— Marx, Karl (1818-1883)