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.]

A fire-mist and a planet,
A crystal and a cell,
A jellyfish and a saurian,
read more

A fire-mist and a planet,
A crystal and a cell,
A jellyfish and a saurian,
And caves where the cavemen dwell;
Then a sense of law and beauty,
And a face turned from the clod--
Some call it Evolution,
And others call it God.

When I was a shepherd on the plains of Assyria.

When I was a shepherd on the plains of Assyria.

The evolution of the brain not only overshot the needs of prehistoric man, it is the only example of evolution read more

The evolution of the brain not only overshot the needs of prehistoric man, it is the only example of evolution providing a species with an organ which it does not know how to use

Promise yourself to live your life as a revolution and not just a process of evolution.

Promise yourself to live your life as a revolution and not just a process of evolution.

Today, the theory of evolution is an accepted fact for everyone but a fundamentalist minority, whose objections are based not read more

Today, the theory of evolution is an accepted fact for everyone but a fundamentalist minority, whose objections are based not on reasoning but on doctrinaire adherence to religious principles

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.

A mighty stream of tendency.

A mighty stream of tendency.

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.