No one can be perfectly happy till all are happy.

The most important attribute of man as a moral being is the faculty of self-control.

In the supremacy of self-control consists one of the perfections of the ideal man.

Music ministers to human welfare more than any other art.

Whatever fosters militarism makes for barbarism; whatever fosters peace makes for civilization.

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.

This survival of the fittest which I have here sought to express in mechanical terms, is that which Mr. Darwin has called "natural selection", or the preservation of favoured races in the struggle for life.