Men don’t so much blush for their Crimes, as for their Weaknesses and Vanity.

[Les hommes rougissent moins de leurs crimes que de leurs faiblesses et de leur vanité.]

Jean de La Bruyère (1645-1696) French essayist, moralist

The Characters [Les Caractères], ch. 4 “Of the Heart [Du Coeur],” § 74 (4.74) (1688) [Bullord ed. (1696)]
    (Source)

(Source (French)). Alternate translations:

Men blush not so much for their Crimes, as for their Weaknesses and Vanity.
[Curll ed. (1713)]

Men don't so much blush for their Crimes, as for their Weaknesses and Vanity.
[Browne ed. (1752)]

Men are less ashamed of their crimes than of their weaknesses and their vanity.
[tr. Van Laun (1885)]

Men are less ashamed of their crimes than of their failings and of what touches their vanity.
[tr. Stewart (1970)]