Success is not accidental, but achieved through continuous effort and persistence.

Habit is habit, and not to be flung out of the window by any man, but coaxed downstairs a step at a time.

The only thing that makes life possible is permanent, intolerable uncertainty; not knowing what comes next.

The greatest happiness of the thinking man is to have fathomed the fathomable, and to quietly revere the unfathomable.