"There is neither happiness nor misery in the world; there is only the comparison of one state with another, nothing more."

"Philosophy cannot be taught; it is the application of the sciences to truth."

"Happiness is like one of those palaces on an enchanted island, its gates guarded by dragons. One must fight to gain it."

"Women are never so strong as after their defeat."

"The only way to have a friend is to be one."