(3) A speck of mouse dung will spoil a whole pot of porridge.
…… In this mundane world, I am one lonely speck; in this universe I am a powerless particle of dust.
The world of finance dwindled suddenly to a speck.
After the death of the Arab, al-Ludra, although provided with a name, did not attract much interest, because the variable stars are so many, and also because, starting in 1750, it was reduced to a speck, barely visible with the best telescopes of the time.
