Einstein's results again turned the tables and now very few philosophers or scientists still think that scientific knowledge is or can be proven knowledge.

We may take it to be the accepted idea that the Mosaic books were not handed down to us for our instruction in scientific knowledge and that it is our duty to ground our scientific beliefs upon observation and inference unmixed with considerations of a different order.

It is my deliberate opinion that the one essential requisite of human welfare in all ways is scientific knowledge of human nature.

The increase of scientific knowledge lies not only in the occasional milestones of science but in the efforts of the very large body of men who with love and devotion observe and study nature.

Indeed science alone may perhaps be sterile when pursued without an understanding of the world in which scientific knowledge is created and in which the fruits of science are used.

The business of a scientific school is the dissemination of useful knowledge and this is a noble enterprise and indispensable withal society can not exist unless it goes on.

For the progress of scientific knowledge will lead to a constant increase of expenditure.

And that's what I truly believe that we're doing when we're advancing scientific knowledge is we're someday making the world better. Not only for our children but for all people after that.

Scientific knowledge is in perpetual evolution it finds itself changed from one day to the next.

That knowledge which is popular is not scientific.