1. pithy, sententious -- (concise and full of meaning; "welcomed her pithy comments"; "the peculiarly sardonic and sententious style in which Don Luis composed his epigrams"- Hervey Allen)
1.
Allan and what would be nicest and most agreeable to her," said Marilla, hitting for once in her life on a very sound and pithy piece of advice. - from Anne Of Green Gables by Lucy Maud Montgomery