New opinions are always suspected, and usually opposed, without any other reason but because they are not already common. – John Locke, An Essay Concerning Human Understanding

The only man I know who behaves sensibly is my tailor; he takes my measurements anew each time he sees me. The rest go on with their old measurements and expect me to fit them. – George Bernard Shaw

Our wretched species is so made that those who walk on the well-trodden path always throw stones at those who are showing a new road. – Voltaire