A maxim is a conclusion upon observation of matters of fact, and is merely speculative; a "principle" carries knowledge within itself, and is prospective.
Would it have been worth while, To have bitten off the matter with a smile, To have squeezed the universe into a ball To roll it towards some overwhelming question
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.