“Think about that for a moment. Once you do, your thoughts about life will never be the same.
“Science has found that nothing can disappear without a trace. Nature does not know extinction. All it knows is transformation.
“Now, if God applies this fundamental principle to the most minute and insignificant parts of His universe, doesn’t it make sense to assume that He applies it also to the masterpiece of His creation – the human soul?
“I think it does. And everything science has taught me – and continues to teach me – strengthens my belief in the continuity of our spiritual existence after death. Nothing disappears without a trace.
In the same passage, the rocket scientist quoted US President Benjamin Franklin, who said: “I believe that the soul of man is immortal and will be treated with justice in another life respecting its conduct in this.”