The defects of the children mirror the defects of the parents.

Reading is seeing by proxy.

Civilization is a progress from an indefinite, incoherent homogeneity toward a definite, coherent heterogeneity.

The idea of disembodied spirits is wholly unsupported by evidence, and I cannot accept it.

The more specific idea of Evolution now reached is - a change from an indefinite, incoherent homogeneity to a definite, coherent heterogeneity, accompanying the dissipation of motion and integration of matter.

The society exists for the benefit of its members; not its members for the benefit of the society.

Those who have never entered upon scientific pursuits know not a tithe of the poetry by which they are surrounded.