Mankind, which has always been a part of nature, has reached a point where it is too much for nature to accommodate.
A plausible rumor / Seems a lot more believable / Than the truth itself.
Something whose connection with human experience we cannot grasp is bound to be frightening.
The minute you begin to have doubts, the floor under your feet starts to shake.
It's a dangerous dog that doesn't bark.
Time cannot be spurred on like a horse.