Speake not of a dead man at the table.
Great Fortune brings with it Great misfortune.
Love without end, hath no end, says the Spaniard: (meaning, if it were not begun on particular ends, it would last).
Faire is not faire, but that which pleaseth.
Follow not truth too near the heels, lest it dash out thy teeth.
Let not him that feares feathers come among wild-foule.