A dictionary of Proverbs (Oxford Paperback Reference)

gently see DRIVE gently over the stones; EASY does it; if you gently touch a NETTLE it’ll sting you for your pains.
get see you cannot get BLOOD from a stone; be CAREFUL what you pray for, you might get it; if you don’t like the HEAT, get out of the kitchen; if you LIE down with dogs, you will get up with fleas; don’t get MAD, get even; the MORE you get, the more you want; what a NEIGHBOUR gets is not lost; you cannot get a QUART into a pint pot; what you SEE is what you get; you don’t get SOMETHING for nothing; also GOT.
Never look a GIFT horse in the mouth
A horse’s age is commonly gauged by the state of its teeth. The proverb warns against questioning the quality or use of a lucky chance or gift. Cf. a 420 ST. JEROME Commentary on Epistle to Ephesians Preface noli.. ut vulgare proverbium est, equi dentes inspicere donati, do not, as the common proverb says, look at the teeth of a gift horse.

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  a 1510 J. STANBRIDGE Vulgaria (EETS) 27 A gyuen hors may not [be] loked in the tethe. 1546 J. HEYWOOD Dialogue of Proverbs I. v. B2^V Where gyfts be gyuen freely, est west north or south, No man ought to loke a geuen hors in the mouth. 1659 N. R. Proverbs 80 No man ought to look a guift Horse in the mouth. 1710 S. PALMER Proverbs 40 Never look a Gift Horse in the Mouth. 1892 G. & W. GROSSMITH Diary of a Nobody xviii. I told him it was a present from a dear friend, and one mustn’t look a gift­horse in the mouth. 2002 Oldie Mar. 34 Gather ye rosebuds while ye may, let not the grass grow under thy feet, and never look a gift horse in the mouth. "giving and receiving; gratitude and ingratitude
  

gift see also FEAR the Greeks bearing gifts.
gill see every HERRING must hang by its own gill.
girl see BOYS will be boys.