To speak specifically of our problem with the Muslim world, we are meandering into a genuine clash of civilizations, and we're deluding ourselves with euphemisms. We're talking about Islam being a religion of peace that's been hijacked by extremists. If ever there were a religion that's not a religion of peace, it is Islam.

120 million of us place the big bang 2,500 years after the Babylonians and Sumerians learned to brew beer.

What would our world be like if we ceased to worry about 'right' and 'wrong,' or 'good' and 'evil,' and simply acted so as to maximize well-being, our own and that of others? Would we lose anything important?

To say that I would have done otherwise had I wanted to is simply to say that I would have lived in a different universe had I been in a different universe.

An argument can be logically valid, but unsound in that it contains a false premise and, therefore, leads to a false conclusion (e.g., Scientists are smart; smart people do not make mistakes; therefore, scientists do not make mistakes).

You cannot take death for apostasy seriously and be working for peace.

The power of psychedelics... is that they often reveal, in the span of a few hours, depths of awe and understanding that can otherwise elude us for a lifetime.