The antonyms for the phrase "doeth a kindness" include being unkind, cruel, mean, and selfish. When we do not extend kindness to others in need, it can result in feelings of hurt, resentment, and dissatisfaction. Being unkind can also lead to a lack of empathy and understanding, creating an environment of negativity and hostility. Therefore, it's important to embrace kindness and never lose sight of how it can impact those around us positively. By choosing to be kind and compassionate, we become better human beings who can inspire others to follow suit. So, let us always strive to do kindness, no matter the situation.