Christianity has not conquered nationalism; the opposite has been the case nationalism has made Christianity its footstool.

Religious leaders and men of science have the same ideals; they want to understand and explain the universe of which they are part; they both earnestly desire to solve, if a solution be ever possible, that great riddle: Why are we here?

It is just because civilization is ever evolving, changing, and becoming more complicated, that experts find it so difficult to define it in explicit terms.

The main force used in the evolving world of humanity has hitherto been applied in the form of war.

The German Fuhrer, as I have consistently maintained, is an evolutionist; he has consistently sought to make the practices of Germany conform to the theory of evolution.

I am a rank individualist.

The course of human history is determined, not by what happens in the skies, but what takes place in our hearts.