For every one billion particles of antimatter there were one billion and one particles of matter. And when the mutual annihilation was complete, one billionth remained - and that's our present universe.
To regard one's immortality as an exchange of matter is as strange as predicting the future of a violin case once the expensive violin it held has broken and lost its worth.
Before turning to those moral and mental aspects of the matter which present the greatest difficulties, let the inquirer begin by mastering more elementary problems.
As the world has to attain the fulfilment of eternal life, to me it does not in the least matter what I am called -'Enlightened One', 'Son of God', or something else. To me, it has no purpose - as little as when the Buddha said, 'I am the Enlightened One'.