Reasoning draws a conclusion, but does not make the conclusion certain, unless the mind discovers it by the path of experience. – Roger Bacon
For the things of this world cannot be made known without a knowledge of mathematics. – Roger Bacon
All science requires mathematics. The knowledge of mathematical things is almost innate in us. This is the easiest of sciences, a fact which is obvious in that no ones brain rejects it for laymen and people who are utterly illiterate know how to count and reckon. – Roger Bacon
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. – Roger Bacon
So Ive seen life as one long learning process. And if I see – you know, if I fly on somebody elses airline and find the experience is not a pleasant one, which it wasnt in – 21 years ago, then Id think, well, you know, maybe I can create the kind of airline that Id like to fly on. – Richard Branson