Experts are just trained dogs.

One must take what nature gives as one finds it.

It is easy to say something new, if all senses one will eschew. But hardly ever is found, that the new is also sound.

In the past it never occurred to me that every casual remark of mine would be snatched up and recorded. Otherwise I would have crept further into my shell.

Teaching should be such that what is offered is perceived as a valuable gift and not as a hard duty.

A theory is something nobody believes, except the person who made it. An experiment is something everybody believes, except the person who made it.

There's no question dolphins are smarter than humans as they play more.