Innate Abilities Quotes
There were some people at the time who believed that by means of effort and following moral precepts there would be an equality of achievement. There were also many who began to observe that much of the differences between individuals were are result of environment—opportunity for education, socialization and other factors. Science is still trying to determine the relative causal contributions to individual differences of genetics and environment.
Even Fuller would have been surprised at how fast this began to come to pass.