Your inability to answer this questions shows just how lacking your education is.
Incisive means very direct and cutting. Think about an incision that a surgeon makes. It is usually very deep, precise, and painful (without pain medicine). That is exactly what an incisive comment is. Telling someone simply that they are stupid or ugly is not precise enough. An incisive comment usually takes knowledge of the person in order for it to be specific and deep enough to cause pain.
If I am correct, incisive means either: 1. penetrating; cutting; biting; trenchant: an incisive tone of voice. <span>2. remarkably clear and direct; sharp; keen; acute. </span>So an example could be: You will never get good grades.
Every failure is a blessing in disguise, providing it teaches some needed lesson one could not have learned without it. Most so-called Failures are only temporary defeats.”
Richard Enfield A distant relative of Utterson and well-known man about town. ... Strange Case of Dr Jekyll and Mr Hyde is a novel by the Scottish author ...