Talent hits a target no one else can hit; Genius hits a target no one else can see.
- All truth passes through three stages. First, it is ridiculed. Second, it is violently opposed. Third, it is accepted as being self-evident.
- Great men are like eagles, and build their nest on some lofty solitude.
- If you want to know your true opinion of someone, watch the effect produced in you by the first sight of a letter from him.
- The discovery of truth is prevented more effectively, not by the false appearance things present and which mislead into error, not directly by weakness of the reasoning powers, but by preconceived opinion, by prejudice.
- To live alone is the fate of all great souls.