Humanity has advanced, when it has advanced, not because it has been sober, responsible, and cautious, but because it has been playful, rebellious, and immature.
There are times when we can feel destiny close around us like a fist around a doorknob. Sure, we can resist. But a knob that won't turn, a door that sticks and never budges, is a nuisance to the gods. The gods may kick in the jamb. Worse, they may walk away in disgust, leaving us to hang dumbly from our tight hinges, deprived of any other chance in life to swing open into unnecessary risk and thus into enchantment.
Like the Arthurian years at Camelot, the Sixties constituted a breakthrough, a fleeting moment of glory, a time when a significant little chunk of humanity briefly realised its moral potential and flirted with its neurological destiny, a collective spiritual awakening that flared brilliantly until the barbaric and mediocre impulses of the species drew tight once more the curtains of darkness.
The price of self-destiny is never cheap, and in certain situations it is unthinkable. But to achieve the marvelous, it is precisely the unthinkable that must be thought.