Moses Maimonides on sticking to what we know

Men like the opinions to which they have become accustomed from youth; this prevents them from finding the truth, for they cling to the opinions of habit. — Moses Maimonides, 1135-1204, medieval astronomer, physician and philosopher. Córdoba, Spain. (Image: By USCapitol (Maimonides (1135-1204)) [Public domain], via Wikimedia Commons)