A dictionary of Proverbs (Oxford Paperback Reference)

NOTHING so bad but it might have been worse
A more positive version is 1817 SCOTT Rob Roy II. xiii. There’s naething sae gude on this side o’ time but it might hae been better.

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  1876 I. BANKS Manchester Man III. xiii. However, there is nothing so bad but it might be worse. 1885 E. J. HARDY How to be Happy though Married xxi. Let us resolve to look at the bright side of things. . . ‘Nothing so bad but it might have been worse.’ 1908 Times 5 Oct. 3 Farmers.. will regard the.. meteorological changes as illustrating the ancient axiom to the effect that circumstances are never so bad that they cannot be worse. ■good and evil; optimism
  

NOTHING so bold as a blind mare

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  a 1628 J. CARMICHAELL Proverbs in Scots no. 1435 The blind horse is hardiest. 1721 J. KELLY Scottish Proverbs 266 Nothing so bold as a blind Mare. 1922 J. BUCHAN Huntingtower x. He spoke of the still unconquered enemy with.. disrespect, so that Mrs Morran was moved to observe that there was ‘naething sae bauld as a blind mear’. ■ boldness; ignorance
  

There is NOTHING so good for the inside of a man as the outside of a horse
A proverb asserting the benefit of horse-riding to health.

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  1906 G. W. E. RUSSELL Social Silhouettes xxxii. The Squire will wind up.. with an apocryphal saying which he attributes to Lord Palmerston—‘There’s nothing so good for the inside of a man as the outside of a horse.’ 1946 M. C. SELF Horseman’s Encyclopaedia 338 ‘There is something about the outside of a horse which is good for the inside of a man.’ This adage is wiser than might first appear. But one should not consider just the hours spent in the saddle as beneficial. 1987 Time 28 Dec. 52 There is nothing better for the inside of a man than the outside of a horse. Ronald Reagan President. ■ health