Roger Bacon
Medieval England Natural Philosophy
Biography
English philosopher and Franciscan friar who emphasized empiricism and the study of nature through experimentation.
Life Dates
Born: June 10, 1214
Died: June 19, 1294
Notable Quotes
"Experiment is the only source of truth."
"Mathematics is the door and key to the sciences."
"There are four chief obstacles in grasping truth: submission to authority, custom, popular prejudice, and concealment of our own ignorance."
"Cease to be ruled by dogmas and authorities; look at the world!"
"For the things of this world cannot be made known without a knowledge of mathematics."