A mighty stream of tendency.

A mighty stream of tendency.

Evolution ever climbing after some ideal good
And Reversion ever dragging Evolution in the mud.

Evolution ever climbing after some ideal good
And Reversion ever dragging Evolution in the mud.

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

I was at Euphorbus at the siege of Troy.

I was at Euphorbus at the siege of Troy.

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

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.

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.

When you were a tadpole, and I was a fish,
In the Palaeozoic time,
And side by read more

When you were a tadpole, and I was a fish,
In the Palaeozoic time,
And side by side in the sluggish tide
We sprawled in the ooze and slime.

Said the little Eohippus,
"I am going to be a horse,
And on my middle fingernails
read more

Said the little Eohippus,
"I am going to be a horse,
And on my middle fingernails
To run my earthly course!
. . . .
I'm going to have a flowing tail!
I'm going to have a mane!
I'm going to stand fourteen hands high
On the Psychozoic plain!"