This is a personal project by @dellsystem. I built this to help me retain information from the books I'm reading.
Source code on GitHub (MIT license).
(adjective) keen, sharp / (adjective) vigorously effective and articulate / (adjective) caustic / (adjective) sharply perceptive; penetrating / (adjective) clear-cut, distinct
a trenchant indictment of our global economic system