Light is the first of painters. There is no object so foul that intense light will not make it beautiful.
— Ralph Waldo Emerson

foul water will quench fire.
English Proverbs foul quote

But he that hides a dark soul and foul thoughts benighted walks under the mid-day sun; Himself is his own dungeon.
— John Milton

Don't foul, don't flinch. Hit the line hard.
— Theodore Roosevelt

Nothing can seem foul to those who win.
— foul quotation by William Shakespeare