All our lauded technological progress -- our very civilization - is like the axe in the hand of the pathological criminal.
A finely tempered nature longs to escape from the personal life into the world of objective perception and thought.
Heroism on command, senseless violence, and all the loathsome nonsense that goes by the name of patriotism -how passionately I hate them!
A man's ethical behavior should be based effectually on sympathy, education, and social ties; no religious basis is necessary. Man would indeed be in a poor way if he had to be restrained by fear of punishment and hope of reward after death.
You see, wire telegraph is a kind of a very, very long cat. You pull his tail in New York and his head is meowing in Los Angeles. Do you understand this? And radio operates exactly the same way: you send signals here, they receive them there. The only difference is that there is no cat.
Any power must be an enemy of mankind which enslaves the individual by terror and force, whether it arises under the Fascist or the Communist flag. All that is valuable in human society depends upon the opportunity for development accorded to the individual.
Bear in mind that the wonderful things you learn in your schools are the work of many generations. All this is put in your hands as your inheritance in order that you may receive it, honor it, add to it, and one day faithfully hand it on to your children.
By academic freedom I understand the right to search for truth and to publish and teach what one holds to be true. This right implies also a duty: one must not conceal any part of what one has recognized to be true. It is evident that any restriction on academic freedom acts in such a way as to hamper the dissemination of knowledge among the people and thereby impedes national judgment and action.
Common sense is the collection of prejudices acquired by age eighteen.
Feeling and longing are the motive forces behind all human endeavor and human creations.