The ultimate result of shielding men from the effects of folly is to fill the world with fools. - Herbert Spencer

.. if the thing denied is the possibility of reducing Sociology to the form of an exact science; then the rejoinder is that the thing denied is a thing which no one has affirmed. . . But so far as there can be generalization, and so far as there can be interpretation based on it, so far there can be science.

If insistence on them tends to unsettle established systems ... self-evident truths are by most people silently passed over; or else there is a tacit refusal to draw from them the most obvious inferences.

As long as the acquisition of knowledge is rendered habitually repugnant, so long will there be a prevailing tendency to discontinue it when free from the coercion of parents and masters.