Believing that there is a conflict between rationality and spirituality is like believing that there is a conflict between knowledge and inspiration. - Jakub Bożydar Wiśniewski
Rationality is the recognition of the fact that nothing can alter the truth and nothing can take precedence over that act of perceiving it. - Ayn Rand
Writing my own novels in the '90s...I never imagined that in ten years, science and rationality would require explanation and defense in a world rocked and ruled by religious fervor. - Mary Doria Russell
... Science... denude(s) all religious beliefs... denigrating them as irrational forms of superstition or myth regardless of their intrinsic rationality or value. - Nicolas Gane
Rationality and common sense never goes out of fashion. - Amit Kalantri
People who have cut their teeth on philosophical problems of rationality, knowledge, perception, free will and other minds are well placed to think better about problems of evidence, decision making, responsibility and ethics that life throws up. - Simon Blackburn
Not to be absolutely certain is, I think, one of the essential things in rationality. - Bertrand Russell
We look into our hearts and see objectivity; we look into our minds and see rationality; we look into our beliefs and see reality. - Kathryn Schulz
Definitions are the guardians of rationality, the first line of defense against the chaos of mental disintegration. - Ayn Rand