Lane Craig, for example, asserts, that it is "intuitively obvious." 1 This approach is not promising since this principle is not self evident. A principle p is self evident if and only if everybody who understands p believes p, but many philosophers and cosmologists not only believe it possible.

Quentin Smith contends that modern science provides enough evidence ‘to justify the belief that the universe began to exist without being caused to do so.’ There was a time when such a claim would have been dismissed because it conflicts with a principle absolutely fundamental to all human thought, including science itself. As Thomas Reid expressed the matter: That neither existence, nor any mode of existence, can begin without an efficient cause is a principle that appears very early in the (...) mind of man; and it is so universal, and so firmly rooted in human nature, that the most determined scepticism cannot eradicate it. (shrink)

The following article was originally published in Australasian Journal of Philosophy March 1991 (Volume 69, No.