I am a believer in what I call "intellectual hospitality." A man comes to your door. If you are a gentleman and he appears to be a good man, you rece… - Robert Green Ingersoll

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I am a believer in what I call "intellectual hospitality." A man comes to your door. If you are a gentleman and he appears to be a good man, you receive him with a smile. You ask after his health. You say: "Take a chair; are you thirsty, are you hungry, will you not break bread with me?" That is what a hospitable, good man does -- he does not set the dog on him. Now, how should we treat a new thought? I say that the brain should be hospitable and say to the new thought: "Come in; sit down; I want to cross-examine you; I want to find whether you are good or bad; if good, stay; if bad, I don't want to hurt you -- probably you think you are all right, -- but your room is better than your company, and I will take another idea in your place."