Freedom of thought is best promoted by the gradual illumination of men's minds which follows from the advance of science.

To raise new questions, new possibilities, to regard old problems from a new angle, requires creative imagination and marks real advance in science.

The man of science is a poor philosopher.

Science without religion is lame. Religion without science is blind.

It stands to the everlasting credit of science that by acting on the human mind it has overcome man's insecurity before himself and before nature.

But science can only be created by those who are thoroughly imbued with the aspiration toward truth and understanding