How often misused words generate misleading thoughts.
Be bold, be bold, and everywhere be bold.
The preservation of health is a duty. Few seem conscious that there is such a thing as physical morality.
Society exists for the benefit of its members, not the members for the benefit of society.
The Republican form of government is the highest form of government: but because of this it requires the highest type of human nature, a type nowhere at present existing.
Civilization is a progress from an indefinite, incoherent homogeneity toward a definite, coherent heterogeneity.
People are beginning to see that the first requisite to success in life is to be a good animal.
A living thing is distinguished from a dead thing by the multiplicity of the changes at any moment taking place in it.
Those who have never entered upon scientific pursuits know not a tithe of the poetry by which they are surrounded.
The behavior of men to the lower animals, and their behavior to each other, bear a constant relationship.