We own almost all our knowledge not to those who have agreed but to those who have differed.

Knowledge is two-fold, and consists not only in an affirmation of what is true, but in the negation of that which is false.

That writer does the most who gives his reader the most knowledge and takes from him the least time.

Friendship often ends in love but love in friendship - never.

If you cannot inspire a woman with love of you, fill her above the brim with love of herself all that runs over will be yours.