For my own part I am persuaded that everything advances by an
unchangeable law through the eternal constitution and read more

For my own part I am persuaded that everything advances by an
unchangeable law through the eternal constitution and association
of latent causes, which have been long before predestined.
[Lat., Equidem aeterna constitutione crediderim nexuque causarum
atentium et multo ante destinatarum suum quemque ordinem
immutabili lege percurrere.]

And hear the mighty stream of tendency
Uttering, for elevation of our thought,
A clear sonorous voice, read more

And hear the mighty stream of tendency
Uttering, for elevation of our thought,
A clear sonorous voice, inaudible
To the vast multitude.

The further the spiritual evolution of mankind advances, the more certain it seems to me that the path to genuine read more

The further the spiritual evolution of mankind advances, the more certain it seems to me that the path to genuine religiosity does not lie through the fear of life, and the fear of death, and blind faith, but through striving after rational knowledge.

Creationist critics often charge that evolution cannot be tested, and therefore cannot be viewed as a properly scientific subject at read more

Creationist critics often charge that evolution cannot be tested, and therefore cannot be viewed as a properly scientific subject at all. This claim is rhetorical nonsense.

The stream of tendency in which all things seek to fulfill the
law of their being.

The stream of tendency in which all things seek to fulfill the
law of their being.

There was an ape in the days that were earlier,
Centuries passed and his hair became curlier;
read more

There was an ape in the days that were earlier,
Centuries passed and his hair became curlier;
Centuries more gave a thumb to his wrist--
Then he was a Man and a Positivist.

We seem to exist in a hazardous time,
Driftin' along here through space;
Nobody knows just when read more

We seem to exist in a hazardous time,
Driftin' along here through space;
Nobody knows just when we begun,
Or how fur we've gone in the race.

Observe constantly that all things take place by change, and
accustom thyself to consider that the nature of the read more

Observe constantly that all things take place by change, and
accustom thyself to consider that the nature of the Universe
loves nothing so much as to change the things which are, and to
make new things like them.

I have called this principle, by which, each slight variation, if
useful, is preserved, by the term of Natural read more

I have called this principle, by which, each slight variation, if
useful, is preserved, by the term of Natural Selection.