Our character ... is an omen of our destiny, and the more integrity we have and keep, the simpler and nobler that destiny is likely to be.

The universe, as far as we can observe it, is a wonderful and immense engine.... If we dramatize its life and conceive its spirit, we are filled with wonder, terror and amusement, so magnificent is the spirit.

We must welcome the future, remembering that soon it will be the past; and we must respect the past, remembering that it was once all that was humanly possible.

Nothing can be meaner than the anxiety to live on, to live on anyhow and in any shape; a spirit with any honor is not willing to live except in its own way, and a spirit with any wisdom is not over-eager to live at all.

The mediocrity of everything in the great world of today is simply appalling. We live in intellectual slums.

If all art aspires to the condition of music, all the sciences aspire to the condition of mathematics.

When men and women agree, it is only in their conclusions; their reasons are always different.