In reading the lives of great men, I found that the first victory they won was over themselves... self-discipline with all of them came first.

If I want to be great I have to win the victory over myself... self-discipline.

Men make history and not the other way around.

I found that the men and women who got to the top were those who did the jobs they had in hand, with everything they had of energy and enthusiasm and hard work.

In reading the lives of great men, I found that the first victory they won was over themselves...self-discipline with all of them came first.

Gutenberg and Richter were very great men.