“ At twenty years of age the will reigns at thirty, the wit and at forty, the judgment. ”

“ Genius without education is like silver in the mine. ”

“ It takes many good deeds to build a good reputation, and only one bad one to lose it. ”

“ Being ignorant is not so much a shame, as being unwilling to learn. ”

“ Beware the hobby that eats. ”

“ A house is not a home unless it contains food and fire for the mind as well as the body. ”

“ He that would live in peace and at ease must not speak all he knows or all he sees. ”

“ God grant that not only the love of liberty but a thorough knowledge of the rights of man may pervade all the nations of the earth, so that a philosopher may set his foot anywhere on its surface and say: 'This is my country.' ”

“ All wars are follies, very expensive and very mischievous ones. ”

“ Half a truth is often a great lie. ”