Long time Quote by Lee R Berger

The fundamental problem in the origin of species is not the origin of differences in appearance, since these arise at the level of the…

— David Lack

“There can be no doubt that the existing Fauna and Flora is but the last term of a long series of equally numerous contemporary…

— Thomas Henry Huxley

Every species has come into existence coincident both in space and time with a pre-existing closely allied species.

— Alfred Russel Wallace

We now have a quarter of a million fossil species, but the situation hasn't changed much... We have even fewer examples of evolutionary transition…

— David M. Raup

“Evolution requires intermediate forms between species and palaeontology does not provide them.”

— David Kitts

Not one change of species into another is on record ... we cannot prove that a single species has been changed.

— Charles Darwin

Each species may have had its origin in a single pair, or individual, where an individual was sufficient, and species may have been created…

— Charles Lyell

“As the species of the same genus usually have, though by no means invariably, much similarity in habits and constitution, and always in structure,…

— Charles Darwin

We know African and Asian elephants can interbreed, and they're separated by 5 million to 6 million years.

— Hendrik Poinar

“It has already been stated that various parts in the same individual, which are exactly alike during an early embryonic period, become widely different…

— Charles Darwin

Established species are evolving so slowly that major transitions between genera and higher taxa must be occurring within small rapidly evolving populations that leave…

— Steven M. Stanley

Paleontologists ever since Darwin have been searching (largely in vain) for the sequences of insensibly graded series of fossils that would stand as examples…

— Niles Eldredge