Man is the summit, the crown of nature's development, and must comprehend everything that has preceded him, even as the fruit includes within itself …

- Lorenz Oken

The whole of a human being is merely a vertebra.

- Lorenz Oken

During its development the animal passes through all stages of the animal kingdom. The foetus is a representation of all animal classes in time.

- Lorenz Oken

Physio-philosophy has to show how, and in accordance indeed with what laws, the Material took its origin; and, therefore, how something derived its e…

- Lorenz Oken

The cells are thus the stomachs of which the plant has millions like mouths.

- Lorenz Oken

The eye takes a person into the world. The ear brings the world into a human being.

- Lorenz Oken