This survival of the fittest implies multiplication of the fittest.

All socialism involves slavery.

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.

That feelings of love and hate make rational judgments impossible in public affairs, as in private affairs, we can clearly enough see in others, though not so clearly in ourselves.

Mental power cannot be got from ill-fed brains.

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

No one can be perfectly free till all are free; no one can be perfectly moral till all are moral; no one can be perfectly happy till all are happy.