To invent something, all you need is imagination and a big pile of junk.

A conviction akin to religious feeling of the rationality or intelligibility of the world lies behind all scientific work of a high order.

The woman who follows the crowd will usually go no further than the crowd. The woman who walks alone is likely to find herself in places no one has ever been before.

The music of Mozart is of such purity and beauty that one feels he merely found it - that it has always existed as part of the inner beauty of the universe waiting to be revealed.

It's very depressing to live in a time where it's easier to break an atom than a prejudice.

The greatest tragedy of human existence is the illusion of separateness.

A person who never made a mistake never tried anything new.