The surest way to corrupt a youth is to instruct him to hold in higher esteem those who think alike than those who think differently. – Friedrich Nietzsche, The Dawn, 1881

Habit rules the unreflecting herd. – William Wordsworth, Ecclesiastical Sonnets, 1822

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

I had an immense advantage over many others dealing with the problem inasmuch as I had no fixed ideas derived from long-established practice to control and bias my mind, and did not suffer from the general belief that whatever is, is right. – Henry Bessemer (discovered new method of producing steel)