All Karl Ernst von Baer Quotes
- The distinguishing of the strata, or layers, in the embryonic membrane was a turning-point in the study of the history of evolution, and placed later… Animal
- The History of Evolution is the real source of light in the investigation of organic bodies. It is applicable at every step, and all our… All
- Know thyself! This is the source of all wisdom, said the great thinkers of the past, and the sentence was written in golden letters on… All