Life is the continuous adjustment of internal relations to external relations.
If men use their liberty in such a way as to surrender their liberty, are they thereafter any the less slaves If people by a plebiscite elect a man despot over them, do they remain free because the despotism was of their own making
Civilization is a progress from an indefinite, incoherent homogeneity toward a definite, coherent heterogeneity.
How often misused words generate misleading thoughts.
There is a principle which is a bar against all information, which is proof against all arguments and which cannot fail to keep a man in everlasting ignorance - that principle is contempt prior to investigation
The behavior of men to the lower animals, and their behavior to each other, bear a constant relationship
A stern discipline pervades all nature, which is a little cruel that it may be very kind
The preservation of health is a duty. Few seem conscious that there is such a thing as physical morality.
The great aim of education is not knowledge, but action
We do not commonly see in a tax a diminution of freedom, and yet it clearly is one.
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
Government is essentially immoral.
Hero-worship is strongest where there is least regard for human freedom
A jury is a group of twelve people of average ignorance
Our lives are universally shortened by our ignorance
The wise man must remember that while he is a descendant of the past, he is a parent of the future.
Science is organized knowledge.
Marriage: a ceremony in which rings are put on the finger of the lady and through the nose of the gentleman
Music must take rank as the highest of the fine arts - as the one which, more than any other, ministers to the human spirit
We all decry prejudice, yet are all prejudiced
All socialism involves slavery
Society exists for the benefit of its members, not the members for the benefit of society.
Time: That which man is always trying to kill, but which ends in killing him
Volumes might be written upon the impiety of the pious
No man is equal to his book. All the best products of his mental activity go into his book, where they come separated from the mass of inferior products with which they are mingled in his daily talk.