Evolution has been observed. It's just that it hasn't been observed while it's happening.

But, however many ways there may be of being alive, it is certain that there are vastly more ways of being dead, or rather not alive.

If we want to postulate a deity capable of engineering all the organized complexity in the world, either instantaneously or by guiding evolution, that deity must have been vastly complex in the first place. The creationist, whether a naive Bible-thumper or an educated bishop, simply postulates an already existing being of prodigious intelligence and complexity. If we are going to allow ourselves the luxury of postulating organized complexity without offering an explanation, we might as well make a job of it and simply postulate the existence of life as we know it!

When we talk about genes for anything, like a gene for being gay or a gene for being aggressive or something of that sort, that a gene for anything may not have been a gene for that thing under different environmental conditions.

Scientific beliefs are supported by evidence, and they get results. Myths and faiths are not and do not.

Far from being demeaning to human spiritual values, scientific rationalism is the crowning glory of the human spirit. Of course you can use the products of science to do bad things, but you can use them to do good things too.

In the beginning was simplicity.