Imagination will often carry us to worlds that never were. But without it we go nowhere.
We've arranged a civilization in which most crucial elements profoundly depend on science and technology.
It is far better to grasp the universe as it really is than to persist in delusion, however satisfying and reassuring.
The dangers of not thinking clearly are much greater now than ever before. It's not that there's something new in our way of thinking it's that credulous and confused thinking can be much more lethal in ways it was never before.
We're in very bad trouble if we don't understand the planet we're trying to save.