It is often said that experiments should be made without preconceived ideas. That is impossible. Not only would it make every experiment fruitless, b….

The scientist does not study nature because it is useful to do so. He studies it because he takes pleasure in it, and he takes pleasure in it because….

So is not mathematical analysis then not just a vain game of the mind? To the physicist it can only give a convenient language; but isn't that a medi….

Logic sometimes makes monsters. For half a century we have seen a mass of bizarre functions which appear to be forced to resemble as little as possib….

In the old days when people invented a new function they had something useful in mind..