“We often think that when we have completed our study of one we know all about two, because "two" is "one and one." We forget that we still have to make a study of "and."”
“Life would be stunted and narrow if we could feel no significance in the world around us beyond that which can be weighed and measured with the tools of the physicist or described by the metrical symbols of the mathematician.”
“I ask you to look both ways. For the road to a knowledge of the stars leads through the atom; and important knowledge of the atom has been reached through the stars.”