Great is wisdom; infinite is the value of wisdom. It cannot be exaggerated; it is the highest achievement of man.

Under all speech that is good for anything there lies a silence that is better, Silence is deep as Eternity; speech is shallow as Time.

If there be not a religious element in the relations of men, such relations are miserable and doomed to ruin.

No iron chain, or outward force of any kind, can ever compel the soul of a person to believe or to disbelieve.

If time is precious, no book that will not improve by repeated readings deserves to be read at all.

The first sin in our universe was Lucifer's self conceit.

Heroes have gone out; quacks have come in; the reign of quacks has not ended with the nineteenth century. The sceptre is held with a firmer grasp; the empire has a wider boundary. We are all the slaves of quackery in one shape or another. Indeed, one portion of our being is always playing the successful quack to the other.