Roger Bacon Quotes

Knowledge of languages is the doorway to wisdom.

Cease to be ruled by dogmas and authorities; look at the world!

It is easier for a man to burn down his own house than to get rid of his prejudices.

The strongest arguments prove nothing so long as the conclusions are not verified by experience. Experimental science is the queen of sciences and the goal of all speculation.

To ask the proper question is half of knowing.

A man is crazy who writes a secret in any other way than one which will conceal it from the vulgar.

Argument is conclusive, but it does not remove doubt.

Mathematics is the gate and key to science.

A little learning is a dangerous thing but none at all is fatal.

The conquest of learning is achieved through the knowledge of languages.

All science requires mathematics.

Argument is conclusive, but it does not remove doubt, so that the mind may rest in the sure knowledge of the truth, unless it finds it by the method of experiment.

Experimental science is the queen of knowledge.

Vacuum stands and remains a mathematical space. A cube placed in a vacuum would not displace anything, as it would displace air or water in a space already containing those fluids.

... mathematics is absolutely necessary and useful to the other sciences.

The calendar is intolerable to all wisdom, the horror of all astronomy, and a laughing stock from a mathematician's point of view.

All science requires mathematics. [Editors' summary of Bacon's idea, not Bacon's wording.]

One man alone had really known the sciences, namely, Robert, Bishop of Lincoln.

If in other sciences we should arrive at certainty without doubt and truth without error, it behooves us to place the foundations of knowledge in mathematics...