Quote by Herbert Spencer

"The test of a first-rate intelligence is the ability to hold two opposed ideas and still function."

Herbert Spencer
Philosopher Sociologist British 1820–1903

More from Herbert Spencer

"The great aim of education is not knowledge but action."
"Progress is not an accident but a necessity."
"The ultimate result of shielding men from the effects of folly is to fill the world with fools."
"Life is the continuous adjustment of internal relations to external relations."

All quotes by Herbert Spencer