By any reasonable measure of achievement, the faith of the Enlightenment thinkers in science was justified. Today the greatest divide within humanity is not between races, or religions, or even, as is widely believed, between the literate and illiterate. It is the chasm that separates scientific from prescientific cultures.
To really know life you've got to be part of life. You must get down and look, you must get into the nooks and crannies of existence. You have to rub elbows with all kinds and types of men before you can finally establish what he is.