The mind is made up by what it feeds upon.

The ultimate test of what a truth means is the conduct it dictates or inspires.

I am no lover of disorder and doubt as such. Rather do I fear to lose truth by this pretension to possess it already wholly.

We are not only gregarious animals, liking to be in sight of our fellows, but we have an innate propensity to get ourselves noticed, and noticed favorably, by our kind.

We are stereotyped creatures, imitators and copiers of our past selves.

Marvelous as may be the power of my dog to understand my moods, deathless as his affection and fidelity, his mental state is as unsolved a mystery to me as it was to my remotest ancestor.

If I should throw down a thousand beans at random upon a table, I could doubtless, by eliminating a sufficient number of them, leave the rest in almost any geometrical pattern you might propose to me, and you might then say that that pattern was the thing prefigured beforehand, and that the other beans were mere irrelevance and packing material. Our dealings with Nature are just like this.