If on one day we find the fast-spreading recognition of popular rights accompanied by a silent, growing perception of the rights of women, we also find it accompanied by a tendency towards a system of non-coercive education--that is, towards a practical illustration of the rights of children.

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

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

Of all the knowledge, that most worth having is knowledge about health! The first requisite of a good life is to be a healthy person.

So far from science being irreligious, as many think, it is the neglect of science that is irreligious-it is the refusal to study the surrounding creation that is irreligious.

And yet, strange to say, now that this truth is recognized by most cultivated people — now that the beneficent working of the survival of the fittest has been so impressed on them that, much more than people in past times, they might be expected to hesitate before neutralizing its action — now more than ever before in the history of the world, are they doing all they can to further survival of the unfittest!

Life is the continuous adjustment of internal relations to external relations.