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.

All evolution in thought and conduct must at first appear as heresy and misconduct.

All evolution in thought and conduct must at first appear as heresy and misconduct.

The Lord let the house of a brute to the soul of a man,
And the man said, "Am read more

The Lord let the house of a brute to the soul of a man,
And the man said, "Am I your debtor?"
And the Lord--"Not yet: but make it as clean as you can,
And then I will let you a better."

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!"

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.

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.

Pouter, tumbler, and fantail are from the same source;
The racer and hack may be traced to one Horse;
read more

Pouter, tumbler, and fantail are from the same source;
The racer and hack may be traced to one Horse;
So men were developed from monkeys of course,
Which nobody can deny.

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.

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.