This is a quote from the book "The Virtue Of Selfishness" by Ayn Rand
...or delimited; to surrender one’s consciousness by an inch, is to surrender one’s consciousness in total. Either reason is an absolute to a mind or it is not — and if it is not, there is no
place to draw the line, no principle by which to draw it, no barrier faith cannot cross, no part of one’s life faith cannot invade: one remains rational until and unless one’s feelings decr
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Faith is a malignancy that no system can tolerate with impunity; and the man who succumbs to it, will call on it in precisely those issues where he needs his reason m...