Do your duty, and leave the outcome to the Gods. Pierre Corneille (1606-1684) French tragedian Horace, Act 2, sc. 8 (1640)
The manner of giving is worth more than the gift. Pierre Corneille (1606-1684) French tragedian Le Menteur, 1.1 (1642)
Danger breeds best on too much confidence. Pierre Corneille (1606-1684) French tragedian The Cid, Act 2, sc. 6 [Don Fernando / King] (1636) [tr. Landis (1931)] (Source) Alternate translation: Too much confidence brings on danger. [tr. Mongan (1896)]