There is no such thing as an underestimate of average intelligence.

It is impossible to underrate human intelligence - beginning with one's own

It is impossible to underrate human intelligence - beginning with one's own.

There is no such thing as an underestimate of average intelligence.

The progress of evolution from President Washington to President Grant was alone evidence enough to upset Darwin

Absolute liberty is absence of restraint; responsibility is restraint; therefore, the ideally free individual is responsible to himself.