Rationality

“No hay verdades materiales, ni verdades racionales; toda verdad es ambas cosas a la vez o no es nada.”

“It is reason, not passion, which must guide our deliberations, guide our debate, and guide our decision.”

“To be free and equal, the motto of rational and moral people, has also now become our motto.”

“Conjectures ignore dislike and suspicion, but they cannot ignore counterexamples.”

“Ariel es el imperio de la razón y el sentimiento sobre los bajos estímulos de la irracionalidad.”

“An opinion settles nothing unless the truth of the assertion is either self-evident or demonstrated.”

“O ukusima se ne raspravlja, možemo tu laprdat’ i hejtat’, ali ne možeš protiv brojki.”

“The fundamental cause of the trouble is that in the modern world the stupid are cocksure while the intelligent are full of doubt.”

“In his view virtue lies not in caution in avoiding errors but in ruthlessness in eliminating them.”

“The principles of logic and mathematics are true simply because we never allow them to be anything else.”

“For me the ultimate test for belief is do you have grounds for thinking that it’s true?”