There is nothing known as "Perfect". Its only those imperfections which we choose not to see!!

The value of achievement lies in the achieving.

I consider it important, indeed urgently necessary, for intellectual workers to get together, both to protect their own economic status and, also, generally speaking, to secure their influence in the political field.

It is nothing short of a miracle that modern methods of teaching have not yet entirely strangled that sacred spirit of curiosity and inquiry, for this delicate plant needs freedom no less than stimulation.

You are right in speaking of the moral foundations of science, but you cannot turn around and speak of the scientific foundations of morality.

James Clerk Maxwell's [work is the] most profound and the most fruitful.

What is inconceivable about the universe is that it is at all conceivable.