A dictionary of Proverbs (Oxford Paperback Reference)

extremity see MAN’S extremity is God’s opportunity.
What the EYE doesn’t see, the heart doesn’t grieve over
Cf. ST. BERNARD Sermon v. All Saints, vulgo dicitur: Quod non videt oculus cor non dolet, it is commonly said: what the eye sees not, the heart does not grieve at; early 14th-cent. Fr. car on dit que ce que on ne voit au cueur ne deult, for it is said that what one does not see does not harm the heart.

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  1545 R. TAVERNER tr. Erasmus’Adages (ed. 2) 13 That the eye seeth not, the hart rueth not. 1576 G. PETTIE Petit Palace 145 As the sence of seeinge is most sharp, so is that paine most pinching, to see the thing one seeketh, and can not possesse it. .. And as the common saying is, that which the eye seeth, the hart greeueth. 1721 J. KELLY Scottish Proverbs 341 What the Eye sees not, the Heart rues not. Men may have Losses, but if they be unknown to them they give them no Trouble. 1830 J. L. BURCKHARDT Arabic Proverbs 109 When the eye does not see, the heart does not grieve. 1883 C. S. BURNE Shropshire Folklore xxxvi. These.. seem to be popular legal maxims. .. What the eye doesn’t see, the heart doesn’t grieve. 1939 G. HEYER No Wind of Blame iii. Anyone knows what men are, and what the eye doesn’t see the heart won’t grieve over. 1986 ‘J. GREENWOOD’ Mists Over Mosley (1987) xix. 122 ‘But they have a saying in these parts. “What the eye don’t see, the heart don’t grieve,” and I’ve always said to myself, that’s not a bad motto for a man.’ "ignorance; trouble
  

The EYE of a master does more work than both his hands

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  1744 B. FRANKLIN Poor Richard’s Almanack (Oct.) The eye of a Master, will do more Work than his Hand. 1876 I. BANKS Manchester Man I. xiv. She was wont to say, ‘The eye of a master does more work than both his hands,’ accordingly in house or warehouse her active supervision kept other hands from idling. 1907 Washington Post 9 Jan. 8/4 (advertisement) The Eye of a Master Does Better Work Than Both His Hands. 1993 Buffalo News (New York) 11 June 4 It was Benjamin Franklin, for whom the Cattaraugus County community of Franklinville is named, who observed: ‘The eye of the master will do more work than both his hands.’ "employers and employees
  

eye see also BEAUTY is in the eye of the beholder; the BUYER has need of a hundred eyes, the seller of but one; FIELDS have eyes, and woods have ears; FOUR eyes see more than two; HAWKS will not pick out hawks’ eyes; PLEASE your eye and plague your heart.