Peter Atkins is right that science can answer the biggest question we can ask. His problem is that he doesn’t like the answer science provides.
Wallace’s greatest “heresy” was to become, after his co-discovery of natural selection, “godfather” of the modern theory of intelligent design.
Every grain of sand is a link in an essential causal chain.
“Some may ask, ‘What is the origin of the engineers? Therefore I don’t believe that this machine has been designed.’”
The material universe must be caused, and it cannot be the cause of its own existence.