Cunning leads to knavery; 'tis but a step, and that a very slippery, from the one to the other. Lying only makes the difference; add that to cunning, and it is knavery. La Bruyère.
Cunning signifies especially a habit or gift of over-reaching, accompanied with enjoyment and a sense of superiority. Ruskin.
Cunning surpasses strength. Ger. Pr. 30
Cupias non placuisse nimis—Do not aim at too much popularity. Mart.
Cupid is a knavish lad, / Thus to make poor females mad. Mid. N. Dream, iii. 2.
Cupid makes it his sport to pull the warrior's plumes. Sir P. Sidney.
Cupido dominandi cunctis affectibus flagrantior est—The desire of rule is the most ardent of all the affections of the mind. Tac.
Cupid's butt-shaft is too hard for Hercules' 35 club. Love's L. Lost, i. 2.
Curæ leves loquuntur, ingentes stupent—Light troubles are loud-voiced, deeper ones are dumb. Sen.
Cura facit canos—Care brings grey hairs. Pr.