A key issue in developmental biology at that time was the problem of how cells underwent differentiation, with most workers concentrating on explanations in terms of changes in enzyme and gene regulation.
Paul Nurse

America has believed that in differentiation, not in uniformity, lies the path of progress. It acted on this belief; it has advanced human happiness, and it has prospered.
Louis D. Brandeis

But the first differentiation of its reflection in the manifested World is purely Spiritual, and the Beings generated in it are not endowed with a consciousness that has any relation to the one we conceive of.
H. P. Blavatsky

But there's a difference between having artistic interests and being psychotic. That's more than a fine line of differentiation, and I do see that a bit too much.
Crispin Glover

In the animal world, on the other hand, the process of evolution is characterised by the progressive discrimination of the animal and vegetative functions, and a consequent differentiation of these two great provinces into their separate departments.
Wilhelm Wundt

It is our task to inquire into the causes that have brought about the observed differentiation, and to investigate the sequence of events that have led to the establishment of the multifarious forms of human life.
Franz Boas

Our Fly Smart philosophy is about investing only on those points of differentiation that pay for themselves, that earn a revenue premium commensurate with what it costs us to provide that product or service.
Gerard Arpey

Progress is measured by the degree of differentiation within a society.
Herbert Read

The freedom of thought is a sacred right of every individual man, and diversity will continue to increase with the progress, refinement, and differentiation of the human intellect.
Felix Adler

The ultimate reason of things must lie in a necessary substance, in which the differentiation of the changes only exists eminently as in their source; and this is what we call God.
Gottfried Leibniz

There is a process of social and of political differentiation going on in the real working class all the time.
Ernest Mandel

This is why the ultimate reason of things must lie in a necessary substance, in which the differentiation of the changes only exists eminently as in their source; and this is what we call God.
Gottfried Leibniz

We identify in our exerience a differentiation between what we do and what happens to us.
Alan Watts

We were unusually brought up; there was no gender differentiation. I was never thought of as any less than my brother.
Maya Lin