Those texts are identical.
It was not written as an article, it's a transcript of a speech (Caltech’s 1974 commencement address, if you read the introduction), that's why it all over the place.
Those texts are identical.
It was not written as an article, it's a transcript of a speech (Caltech’s 1974 commencement address, if you read the introduction), that's why it all over the place.