In science the important thing is to modify and change one's ideas as science advances.
Old forms of government finally grow so oppressive that they must be thrown off even at the risk of reigns of terror.
Science is organized knowledge.
Volumes might be written upon the impiety of the pious.
We all decry prejudice, yet are all prejudiced.
The preservation of health is a duty. Few seem conscious that there is such a thing as physical morality.
Those who have never entered upon scientific pursuits know not a tithe of the poetry by which they are surrounded.
People are beginning to see that the first requisite to success in life is to be a good animal.
Love is life's end, but never ending. Love is life's wealth, never spent, but ever spending. Love's life's reward, rewarded in rewarding.
Our lives are universally shortened by our ignorance.
An argument fatal to the communist theory, is suggested by the fact, that a desire for property is one of the elements of our nature.
