Among the scenes which are deeply impressed on my mind, none exceed in sublimity the primeval forests undefaced by the hand of man; whether those of Brazil, where the powers of Life are predominant, o...
But we are not here concerned with hopes or fears, only with the truth as far as our reason allows us to discover it. I have given the evidence to the best of my ability; and we must acknowledge , as...
In conclusion, it appears that nothing can be more improving to a young naturalist, than a journey in distant countries.
The expression often used by Mr. Herbert Spencer of the Survival of the Fittest is more accurate and is sometimes equally convenient.
To conclude, therefore, let no man out of a weak conceit of sobriety, or an ill-applied moderation, think or maintain, that a man can search too far or be too well studied in the book of God's word, o...
The only distinct meaning of the word 'natural' is STATED, FIXED or SETTLED; since what is natural as much requires and presupposes an intelligent agent to render it so, i.e., to effect it continually...
I see no good reasons why the views given in this volume should shock the religious views of anyone.
Man selects only for his own good: Nature only for that of the being which she tends.
But Natural Selection, as we shall hereafter see, is a power incessantly ready for action, and is immeasurably superior to man's feeble efforts, as the works of Nature are to those of Art.
For the shield may be as important for victory, as the sword or spear.
Natural Selection almost inevitably causes much Extinction of the less improved forms of life and induces what I have called Divergence of Character.
It is not the strongest of the species that survives,
I think it inevitably follows, that as new species in the course of time are formed through natural selection, others will become rarer and rarer, and finally extinct. The forms which stand in closest...
He importance and influence of Charles Darwin’s theory of evolution by natural selection can scarcely be exaggerated. A century after Darwin’s death, the great evolutionary biologist and historian of...
We will now discuss in a little more detail the Struggle for Existence.