The modern habit of saying "This is my opinion, but I may be wrong" is entirely irrational. If I say that it may be wrong, I say that is not my opinion. The modern habit of saying "Every man has a different philosophy; this is my philosophy and it suits me" – the habit of saying this is mere weak-mindedness. A cosmic philosophy is not constructed to fit a man; a cosmic philosophy is constructed to fit a cosmos. A man can no more possess a private religion than he can possess a private sun and moon.
The man who lives in contact with what he believes to be a living Church is a man always expecting to meet Plato and Shakespeare tomorrow at breakfast. He is always expecting to see some truth that he has never seen before.
Once I planned to write a book of poems entirely about the things in my pocket. But I found it would be too long; and the age of the great epics is past.
There is a law written in the darkest of the Books of Life, and it is this: If you look at a thing nine hundred and ninety-nine times, you are perfectly safe; if you look at it the thousandth time, you are in frightful danger of seeing it for the first time.
Posting a letter and getting married [sic] are among the few things left that are entirely romantic; for to be entirely romantic, a thing must be irrevocable
Every one of the great revolutionists, from Isaiah to Shelley, have been optimists. They have been indignant, not about the badness of existence, but about the slowness of men in realizing its goodness.
A child's instinct is almost perfect in the matter of fighting. The child's hero is always the man or boy who defends himself suddenly and splendidly against aggression.
What is the good of telling a community that it has every liberty except the liberty to make laws? The liberty to make laws is what constitutes a free people.
But those dealing in the actual manufacture of mind are dealing in a very explosive material. The material is not merely the clay of which man is master, but the truths or semblances of truth which have a certain mastery over man. The material is explosive because it must be taken seriously. The men writing books really are throwing bombs.
Marxism: The theory that all the important things in history are rooted in an economic motive, that history is a science, a science of the search for food.
Earnest Freethinkers need not worry themselves so much about the persecutions of the past. Before the Liberal idea is dead or triumphant we shall see wars and persecutions the like of which the world has never seen.