Common Ancestry Quotes

What Darwinian theory shows us is that all human races are extremely close to each other. None of them is in any sense ancestral to any other; none of them is more primitive than any other. We are all modern races of exactly equal status, evolutionarily speaking.

Evolution is a fact. It is the best explanation of what is known from observations. It's a theory as powerful as the theory of gravity.

We are one species. We are starstuff.

Nothing in biology makes sense except in the light of evolution.

Fresh knowledge leads to recognition of the theory of evolution as more than just a hypothesis.

The business of proving evolution has reached a stage when it is futile for biologists to work merely to discover more and more evidence of evolution. Those who choose to believe that God created every biological species separately in the state we observe them but made them in a way calculated to lead us to the conclusion that they are the products of an evolutionary development are obviously not open to argument.

Evolution, as such, is no longer a theory for a modern author. It is as much a fact as that the earth revolves around the sun.

Progressively thinking biologists, both in our country and abroad, saw in Darwinism the only right road to the further development of scientific biology.

Evolution is a process of constant branching and expansion.

You cannot be both sane and well educated and disbelieve in evolution. The evidence is so strong that any sane, educated person has got to believe in evolution.

I have at least, as I hope, done good service in aiding to overthrow the dogma of separate creations.

Kings! Why, what's a king? .... Is their blood purer than our own? We are all the seed of Abraham!

The evidence for evolution pours in, not only from geology, paleontology, biogeography, and anatomy, but of course from molecular biology and every other branch of the life sciences.

Creationists have often made me doubt evolution, but probably not in the way they think.

The theory of evolution by cumulative natural selection is the only theory we know of that is in principle capable of explaining the existence of organized complexity.

The more specific idea of Evolution now reached is - a change from an indefinite, incoherent homogeneity to a definite, coherent heterogeneity, accompanying the dissipation of motion and integration of matter.

Evolution is a bankrupt speculative philosophy, not a scientific fact.

Evolution is all about looking forward.

The problem when arguing with those who believe in atheistic evolution is that they move goal posts by redefining atheism or evolution or the word 'species.'

Evolution is unobservable. It's based on blind faith in a few dry bones and on unreliable dating systems in which the gullible trust. Kids should be allowed to make up their own minds about this issue, and not be censored to 'one side is all we will let you hear.'

Is evolution a theory, a system, or an hypothesis? It is much more: it is a general condition to which all theories, all hypotheses, all systems must bow and which they must satisfy henceforward if they are to be thinkable and true.

On the ordinary view of each species having been independently created, we gain no scientific explanation.

Nationality is belief in a common origin and end.

We completely reject the theory of evolution.

It seems to me that evolution adds greatly to the wonder of life because it takes it out of the realm of the arbitrary, the exceptional, and links it to the sequence of natural causation.