Rationality Quotes

"It is time that we admitted that faith is nothing more than the license religious people give one another to keep believing when reasons fail." "All our knowledge begins with the senses, proceeds then to the understanding, and ends with reason There is nothing higher than reason" "Our emotions have a mind of their own, one which can hold views quite independently of our rational mind." "Facts are facts and will not disappear on account of your likes" "Faith is belief without evidence and reason; coincidentally that's also the definition of delusion" "There is nothing without a reason." "The simplest explanation is always the most likely." "If you want to assert a truth, first make sure it's not just an opinion that you desperately want to be true." "When scientifically investigating the natural world, the only thing worse than a blind believer is a seeing denier." "Religion is something left over from the infancy of our intelligence it will fade away as we adopt reason and science as our guidelines" "The deepest sin against the human mind is to believe things without evidence" "A mind all logic is like a knife all blade. It makes the hand bleed that uses it" "Not to be absolutely certain is, I think, one of the essential things in rationality" "There is nothing worse than aggressive stupidity" "People almost invariably arrive at their beliefs not on the basis of proof but on the basis of what they find attractive" "Science is what we have learned about how to keep from fooling ourselves" "There's nothing I like less than bad arguments for a view that I hold dear." "Reason is, and ought only to be the slave of the passions" "The rules of morality are not the conclusions of our reason" "You can never convince a monkey to give you a banana by promising him limitless bananas after death in monkey heaven"