“Behold, I come as a thief. Blessed is he that watcheth, and keepeth his garments, lest he walk naked, and they see his shame.”
Bible
“If you beseech a blessing upon yourself, beware! lest without intent you invoke a curse upon a neighbor at the same time”
Mark Twain
“The liar and the thief rejoice in their first year only.”
Greek proverb
“He who fights with monsters might take care lest he thereby become a monster. And if you gaze for long into an abyss, the abyss gazes also into you.”
Friedrich Nietzsche
“Battle not with monsters lest you become one.”
“Mind your speech a little lest you should mar your fortunes.”
William Shakespeare
“The robb'd that smiles, steals something from the thief”