What is the true test of character unless it be its progressive development in the bustle and turmoil, in the action and reaction of daily life.

Excellence is rarely found, more rarely valued.

Alas! sorrow from happiness is oft evolved.

It is the great triumph of genius to make the common appear novel.

Someday someone will write a pathology of experimental physics and bring to light all those swindles which subvert our reason, beguile our judgement and, what is worse, stand in the way of any practical progress. The phenomena must be freed once and for all from their grim torture chamber of empiricism, mechanism, and dogmatism; they must be brought before the jury of man's common sense.

With the growth of knowledge our ideas must from time to time be organized afresh. The change takes place usually in accordance with new maxims as they arise, but it always remains provisional.

The miller imagines that the corn grows only to make his mill turn.