Acknowledge Quote by Marcello Malpighi

The egg of a bird hatches only when the chick within is ready

— Liam Williams

Just to settle it once and for all: Which came first, the chicken or the egg? The egg, laid by a bird that was…

— Neil deGrasse Tyson

Now I know which came first - the chicken not the egg.

— David Cameron

I haven't checked, but I highly suspect that chickens evolved from an egg-laying ancestor, which would mean that there were, in fact, eggs before…

— Ta-Nehisi Coates

Embryology reveals surprising similarities between early embryos of seemingly quite different animals. And it also shows that some structures that may look very different…

— Alice Roberts

“Embryo minds, like embryo bodies, pass through a number of strange metamorphoses before they adopt their final shape.”

— Samuel Butler

Embryology furnishes, also, the best measure of true affinities existing between animals.

— Louis Agassiz

From the beginning, each human embryo has its own unique genetic identity.

— Robert Casey

An irrefutable proof that such single-celled primaeval animals really existed as the direct ancestors of Man, is furnished according to the fundamental law of…

— Ernst Haeckel

“I think, therefore a single fertilized egg cell can replicate itself into trillions of specialized and exquisitely organized cells.”

— Self