Fullness of knowledge always and necessarily means some understanding of the depths of our ignorance, and that is always conducive to both humility and reverence.

Three ideas stand out above all others in the influence they have exerted and are destined to exert upon the development of the human race: The idea of the Golden Rule; the idea of natural law; the idea of age-long growth or evolution.

Perhaps the Mad Hatter had a reason for calling time Him.

Just how we fit into the plans of the Great Architect and how much he has assigned us to do we do not know, but if we fail in our assignment it is pretty certain that a part of the job will be left undone.

I consider an intimate knowledge of the Bible an indispensable quality of a well educated man.

The chemist in America has in general been content with what I have called a loafer electron theory. He has imagined the electrons sitting around on dry goods boxes at every corner [viz. the cubic atom], ready to shake hands with, or hold on to similar loafer electrons in other atoms.

Indeed, nothing more beautifully simplifying has ever happened in the history of science than the whole series of discoveries culminating about 1914 which finally brought practically universal acceptance to the theory that the material world contains but two fundamental entities, namely, positive and negative electrons, exactly alike in charge, but differing widely in mass, the positive electron-now usually called a proton-being 1850 times heavier than the negative, now usually called simply the electron.