ולא תונו איש את עמיתו ויראת מאלקיך
The Torah admonishes us concerning onaas devarim, which means (in short) using speech that may be hurtful to – or might catalyze negative emotions in – the listener. Evoking memories of someone’s negative, troubling past; attributing the onus of one’s problems to his past sinful behavior; reminding a convert about his prior life as a gentile: these are examples of onaas devarim. Clearly, one who acts in such a manner is himself a sick person, and, as such, the prohibition may not deter him from acting inconsiderately of others. Sadly, the only fulfillment in this person’s life is the pain…
